FILTER KIT TO FIT THE FOLLOWING VAX MODELS VAX 21 Series, 23 Series, V1050, V1100, V1200, 2000 Series 2000 - 2100, 2300, 2500, 4000 Series Powa 4000 - 4100, Rapide 5000 Series 5000, 5100, 5110, 5120, Rapide Plus 5130, 5140, 5150, 6130, 6130S, 6130XS, 6130E, 6131, 6135 CarVax, 6140 PetVax, 6150SX, 6151SX, 6155 FamilyVax.