The 2-Pack + 1 Box combo saves you money. You save on the purchase price as well as the shipping.

2-Pack Scented SaniSolution Smart Cartridge:
Each Cartridge in the 2-Pack lasts for 120 washings. Each Cartridge is 11 cm x 18 cm x 4 cm. 445 ml. 2-Pack Weighs 2.3 kg.

Washable Granules:
Each box lasts 4-6 months. Dust free, non-toxic combination of natural and synthetic biodegradable materials. Degrades in Septic Systems within 9 months. 13 cm x 26 cm x 6.5 cm. Box weighs 1.6 kg.