Virbac Long-Acting Knockout- discont by virbac
Virbac Long-Acting Knockout- discont by virbac
Virbac Long-Acting Knockout- discont by virbac is currently unavailable.
Please check back with us at another time as we are uncertain when we will have more in stock.
Residual insecticidal flea and tick spray for dogs that contains 2% permethrin and 0.05% pyriproxyfen (Nylar®) insect growth regulator to sterilize fleas and their eggs for 3 months. LONG-ACTING KNOCKOUT kills adult fleas for up to 60 days, ticks for 30 days, and stops severe flea and tick infestations while the IGR prevents flea reinfestation. Use only on dogs 12 weeks and older. Available in 16 oz.