The 2-Pack + 1 Box combo gives you more washes for the money. Saves on purchase price and shipping.
2-Pack Scented SaniSolution 120 Cartridge:
Each Cartridge in the 2-Pack lasts for 120 washes/240 washes on Cat Activation. Each Cartridge is 4W x 7H x 1.5D. 15 Fluid Ozs. 2-Pack Weight: 4 lbs.
Washable Granules:
Each box lasts 6-7 months. Dust free, non-toxic combination of natural and synthetic biodegradable materials. Degrades in Septic Systems within 9 months. 7W x 9.5H x 2D. Weight: 3.5 lbs.
CAUTION: The 120 Cartridge only works in the CatGenie 120 Model. The 120 will NOT work in the original CatGenie, which only uses the 60 Cartridge. The 60 Cartridge will NOT work in the CatGenie 120.
