PetSafe RFA-164-19 RFA16419 RFA 164 19 Lemon Spray Can Refill $17.67 PetSafe RFA-164-19, The PetSafe RFA-164-19 lemon spray can refill is used with spray bark control collar. It emits upto 80 sprays per refill. The cannister will refill your bark collar an average of 10 times, (3 oz. per refill). The spray is a citrus lemo
