Cat
Name
Size
Price
Action
FP4-RDT-5
TruStrip Feline Progesterone Ovulation test strip, 5 tests
5 Tests
Ask
FP4-RDT-20
TruStrip Feline Progesterone Ovulation test strip, 20 tests
20 Tests
Ask
FIPV-R-100
Feline Infectious Perionitis Virus Antigen
100 µg
Ask
MBS689509-01
Feline (Cat) Ig Fraction
10 mg
Ask
MBS689509-02
Feline (Cat) Ig Fraction
5x 10 mg
Ask
DAGA-3038
Native Feline Infectious Peritonitis Virus antigen
1mg
Ask
MBS6249050-01
Infectious Peritonitis, Feline (FIPV) (Biotin)
0.1 mL
Ask
MBS6249050-02
Infectious Peritonitis, Feline (FIPV) (Biotin)
5x 0.1 mL
Ask
MBS602186-01
Infectious Peritonitis, Feline (FIPV)
0.25 mg
Ask
MBS602186-02
Infectious Peritonitis, Feline (FIPV)
5x 0.25 mg
Ask
MBS6251926-01
Infectious Peritonitis, Feline (FIPV) (PE)
0.1 mL
Ask
MBS6251926-02
Infectious Peritonitis, Feline (FIPV) (PE)
5x 0.1 mL
Ask
30-1257
Feline Infectious peritonitis protein
1 mg
Ask
MBS6250972-01
Infectious Peritonitis, Feline (FIPV) (HRP)
0.1 mL
Ask
MBS6250972-02
Infectious Peritonitis, Feline (FIPV) (HRP)
5x 0.1 mL
Ask
MBS6268889-01
Infectious Peritonitis, Feline (FIPV) (APC)
0.1 mL
Ask
MBS6268889-02
Infectious Peritonitis, Feline (FIPV) (APC)
5x 0.1 mL
Ask
MBS6248035-01
Infectious Peritonitis, Feline (FIPV) (AP)
0.1 mL
Ask
MBS6248035-02
Infectious Peritonitis, Feline (FIPV) (AP)
5x 0.1 mL
Ask
AFG-FLL-175
Feline Infectious Peritonitis slides
12 Well Slide
Ask
MBS5303578-01
Feline Infectious peritonitis protein
1 mg
Ask
MBS5303578-02
Feline Infectious peritonitis protein
5x 1 mg
Ask
MBS6249973-01
Infectious Peritonitis, Feline (FIPV) (FITC)
0.1 mL
Ask
MBS6249973-02
Infectious Peritonitis, Feline (FIPV) (FITC)
5x 0.1 mL
Ask
NAT41596-100
Feline Infectious Peritonitis Virus Antigen
1 Each
Ask
MBS6257103-01
Infectious Peritonitis, Feline (FIPV) (MaxLight 750)
0.1 mL
Ask
MBS6257103-02
Infectious Peritonitis, Feline (FIPV) (MaxLight 750)
5x 0.1 mL
Ask
MBS568874-01
Infectious Peritonitis Virus, Feline (FIPV) Antigen
1 mg
Ask
MBS568874-02
Infectious Peritonitis Virus, Feline (FIPV) Antigen
5x 1 mg
Ask
PZ1007
Feline infectious peritonitis virus Real-time PCR
16 Tests
Ask
MBS6253984-01
Infectious Peritonitis, Feline (FIPV) (MaxLight 490)
0.1 mL
Ask
MBS6253984-02
Infectious Peritonitis, Feline (FIPV) (MaxLight 490)
5x 0.1 mL
Ask
MBS6256064-01
Infectious Peritonitis, Feline (FIPV) (MaxLight 650)
0.1 mL
Ask
MBS6256064-02
Infectious Peritonitis, Feline (FIPV) (MaxLight 650)
5x 0.1 mL
Ask
MBS6252944-01
Infectious Peritonitis, Feline (FIPV) (MaxLight 405)
0.1 mL
Ask
MBS6252944-02
Infectious Peritonitis, Feline (FIPV) (MaxLight 405)
5x 0.1 mL
Ask
MBS6255024-01
Infectious Peritonitis, Feline (FIPV) (MaxLight 550)
0.1 mL
Ask
MBS6255024-02
Infectious Peritonitis, Feline (FIPV) (MaxLight 550)
5x 0.1 mL
Ask
PZ1009
Feline Coronavirus & Infectious peritonitis Real-time PCR
16 Tests
Ask
C11491
Feline Infectious peritonitis virus (FIPV) Antigen Test Card
15 Tests
Ask
GWB-68298D
Feline Leukaemia Virus p27 Antibody
0.2 mg
Ask
GWB-93501E
Feline Leukaemia Virus p15E Antibody
0.25 mg
Ask
F60-0100
Feline IgG solution ≥ 97% purity
100 mg
Ask
F60-0500
Feline IgG solution ≥ 97% purity
500 mg
Ask
F60-1000
Feline IgG solution ≥ 97% purity
1 g
Ask
GWB-Q00936
Feline Leukaemia Virus gp70 Antibody
0.25 mg
Ask
GWB-2D8170
Feline Leukaemia Virus p27 Antibody
0.25 mg
Ask
OPEF01501-1MG
OPEF01501-1MG - Feline Infectious Peritonitis Virus (FIPV) Antigen
1 mg
Ask
MBS6248949-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (Biotin)
0.1 mL
Ask
MBS6248949-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (Biotin)
5x 0.1 mL
Ask
C10491
Feline Infectious Peritonitis Virus FIPV Antibody Rapid Test Card
15 Tests
Ask
MBS608849-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV)
0.2 mg
Ask
MBS608849-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV)
5x 0.2 mg
Ask
MBS6251823-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (PE)
0.1 mL
Ask
MBS6251823-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (PE)
5x 0.1 mL
Ask
MBS6247929-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (AP)
0.1 mL
Ask
MBS6247929-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (AP)
5x 0.1 mL
Ask
MBS6268782-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (APC)
0.1 mL
Ask
MBS6268782-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (APC)
5x 0.1 mL
Ask
MBS6249875-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (FITC)
0.1 mL
Ask
MBS6249875-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (FITC)
5x 0.1 mL
Ask
MBS6250871-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (HRP)
0.1 mL
Ask
MBS6250871-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (HRP)
5x 0.1 mL
Ask
OASA00710-250UG
OASA00710-250UG - FELINE LEUKAEMIA VIRUS gp70 Antibody
0.25 mg
Ask
MBS6255957-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (MaxLight 650)
0.1 mL
Ask
MBS6255957-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (MaxLight 650)
5x 0.1 mL
Ask
MBS6254917-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (MaxLight 550)
0.1 mL
Ask
MBS6254917-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (MaxLight 550)
5x 0.1 mL
Ask
MBS6252837-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (MaxLight 405)
0.1 mL
Ask
MBS6252837-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (MaxLight 405)
5x 0.1 mL
Ask
MBS6253877-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (MaxLight 490)
0.1 mL
Ask
MBS6253877-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (MaxLight 490)
5x 0.1 mL
Ask
MBS6256996-01
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (MaxLight 750)
0.1 mL
Ask
MBS6256996-02
Feline Immunodeficiency Virus, Transmembrane Protein gp41 (FIV) (MaxLight 750)
5x 0.1 mL
Ask
OASA00709-200UG
OASA00709-200UG - Feline Immunodeficiency Virus Transmembrane Protein Gp41 Antibody
0.2 mg
Ask
F11432
Feline pancreatitis (fPL) Test Card
15 Tests
Ask
AS16 3664
Feline (Cat) IgG-Ultra Pure
0.1 mg
Ask
31-1006
Feline Cat IgG-Ultra Pure
100 ug
Ask
C11432
Feline Pancreatitis Antigen Test Card
15 Tests
Ask
DAG-WT1329
Native Feline Panleukopenia Virus Antigen
100 µg
Ask
GR196002
Genorise® Biotinylated Feline TNFa polyclonal antibody
50 mg
Ask
GR233004
Genorise® Feline TNFA Expression Plasmid DNA
10 µg
Ask
MBS6141936-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (Biotin)
0.1 mL
Ask
MBS6141936-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (Biotin)
5x 0.1 mL
Ask
MBS6378726-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (Biotin)
0.1 mL
Ask
MBS6378726-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (Biotin)
5x 0.1 mL
Ask
PCR-V170-01
Feline viral rhinotracheitis
PCR-V170-48D
Ask
PCR-V170-02
Feline viral rhinotracheitis
PCR-V170-96D
Ask
Oneq-V170-01
Feline viral rhinotracheitis
Oneq-V170-50D
Ask
Oneq-V170-02
Feline viral rhinotracheitis
Oneq-V170-100D
Ask
Oneq-V170-03
Feline viral rhinotracheitis
Oneq-V170-150D
Ask
31-1005
Feline Cat IgG
5mg
Ask
MBS686105-01
Feline (Cat) IgG
10 mg
Ask
MBS686105-02
Feline (Cat) IgG
5x 10 mg
Ask
B2011156
Feline (Cat) IgG
0.1 mg
Ask
MBS6485006-01
Leukemia Virus, Feline (FeLV) p27 (Biotin)
0.1 mL
Ask
MBS6485006-02
Leukemia Virus, Feline (FeLV) p27 (Biotin)
5x 0.1 mL
Ask
MBS628887-01
Leukemia Virus, Feline (FeLV) p27 (Biotin)
1 mL
Ask
MBS628887-02
Leukemia Virus, Feline (FeLV) p27 (Biotin)
5x 1 mL
Ask
MBS6261208-01
Leukemia Virus, Feline (FeLV) p27 (Biotin)
0.1 mL
Ask
MBS6261208-02
Leukemia Virus, Feline (FeLV) p27 (Biotin)
5x 0.1 mL
Ask
MBS6248953-01
Feline Leukemia Virus, p27 (FeLV) (Biotin)
0.1 mL
Ask
MBS6248953-02
Feline Leukemia Virus, p27 (FeLV) (Biotin)
5x 0.1 mL
Ask
MBS6248944-01
Feline Herpes Virus Type 1 (FHV-1, Feline Rhinotracheitis Virus) (Biotin)
0.1 mL
Ask
MBS6248944-02
Feline Herpes Virus Type 1 (FHV-1, Feline Rhinotracheitis Virus) (Biotin)
5x 0.1 mL
Ask
GR196020
Genorise® Biotinylated Feline RANKL Polyclonal Antibody
50 mg
Ask
MBS6248952-01
Feline Leukemia Virus, p15E (FeLV) (Biotin)
0.1 mL
Ask
MBS6248952-02
Feline Leukemia Virus, p15E (FeLV) (Biotin)
5x 0.1 mL
Ask
MBS6248950-01
Feline Leukemia Virus, gp70 (FeLV) (Biotin)
0.1 mL
Ask
MBS6248950-02
Feline Leukemia Virus, gp70 (FeLV) (Biotin)
5x 0.1 mL
Ask
MBS6261365-01
Feline Leukemia Virus, gp70 (FeLV) (Biotin)
0.1 mL
Ask
MBS6261365-02
Feline Leukemia Virus, gp70 (FeLV) (Biotin)
5x 0.1 mL
Ask
MBS6261496-01
Feline Leukemia Virus p27 (FLV p27) (Biotin)
0.1 mL
Ask
MBS6261496-02
Feline Leukemia Virus p27 (FLV p27) (Biotin)
5x 0.1 mL
Ask
MBS6248951-01
Feline Leukemia Virus, p15E (FeLV) (Biotin)
0.1 mL
Ask
MBS6248951-02
Feline Leukemia Virus, p15E (FeLV) (Biotin)
5x 0.1 mL
Ask
60-5007
Feline Leukemia Virus p27 antibody (biotin)
1 ml
Ask
30-1259
Feline Viral Rhinotracheitis protein
1 mg
Ask
NAT41598-100
Feline Viral Rhinotracheitis Antigen
1 Each
Ask
MBS5303648-01
Feline Viral Rhinotracheitis protein
1 mg
Ask
MBS5303648-02
Feline Viral Rhinotracheitis protein
5x 1 mg
Ask
MBS6002689-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1)
0.1 mg
Ask
MBS6002689-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1)
5x 0.1 mg
Ask
MBS647345-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1)
0.1 mg
Ask
MBS647345-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1)
5x 0.1 mg
Ask
MBS648312-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1)
0.1 mg
Ask
MBS648312-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1)
5x 0.1 mg
Ask
abx034469-01
Feline Leukemia Virus Subgroup C Receptor-Related Protein 2 (FLVC2) Antibody
80 µL
Ask
abx034469-02
Feline Leukemia Virus Subgroup C Receptor-Related Protein 2 (FLVC2) Antibody
400 µL
Ask
MBS6378725-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) APC
0.1 mL
Ask
MBS6378725-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) APC
5x 0.1 mL
Ask
MBS6136633-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) APC
0.1 mL
Ask
MBS6136633-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) APC
5x 0.1 mL
Ask
MBS6131330-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (AP)
0.1 mL
Ask
MBS6131330-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (AP)
5x 0.1 mL
Ask
MBS6378727-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (FITC)
0.1 mL
Ask
MBS6378727-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (FITC)
5x 0.1 mL
Ask
abx006544-01
Feline Leukemia Virus Subgroup C Receptor-Related Protein 2 (FLVCR2) Antibody
20 µL
Ask
abx006544-02
Feline Leukemia Virus Subgroup C Receptor-Related Protein 2 (FLVCR2) Antibody
100 µL
Ask
abx006544-03
Feline Leukemia Virus Subgroup C Receptor-Related Protein 2 (FLVCR2) Antibody
2x 100 µL
Ask
MBS6152542-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (HRP)
0.1 mL
Ask
MBS6152542-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (HRP)
5x 0.1 mL
Ask
MBS6157845-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (PE)
0.1 mL
Ask
MBS6157845-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (PE)
5x 0.1 mL
Ask
MBS6378724-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (AP)
0.1 mL
Ask
MBS6378724-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (AP)
5x 0.1 mL
Ask
MBS6378728-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (HRP)
0.1 mL
Ask
MBS6378728-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (HRP)
5x 0.1 mL
Ask
MBS6378734-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (PE)
0.1 mL
Ask
MBS6378734-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (PE)
5x 0.1 mL
Ask
MBS6147239-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (FITC)
0.1 mL
Ask
MBS6147239-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (FITC)
5x 0.1 mL
Ask
MBS6378731-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 550)
0.1 mL
Ask
MBS6378731-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 550)
5x 0.1 mL
Ask
MBS6222218-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 650)
0.1 mL
Ask
MBS6222218-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 650)
5x 0.1 mL
Ask
DAG-WT1190
Native Feline Serum Amyloid A
100 µg
Ask
MBS6211543-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 550)
0.1 mL
Ask
MBS6211543-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 550)
5x 0.1 mL
Ask
MBS6378729-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 405)
0.1 mL
Ask
MBS6378729-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 405)
5x 0.1 mL
Ask
MBS6378733-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 750)
0.1 mL
Ask
MBS6378733-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 750)
5x 0.1 mL
Ask
MBS6232893-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 750)
0.1 mL
Ask
MBS6232893-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 750)
5x 0.1 mL
Ask
MBS6378730-01
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 490)
0.1 mL
Ask
MBS6378730-02
FLVCR (Feline Leukemia Virus Subgroup C Receptor-related Protein 1, Feline Leukemia Virus Subgroup C Receptor, hFLVCR, FLVCR1) (MaxLight 490)
5x 0.1 mL
Ask