This gravity filter is practical and versatile in application. The Katadyn Camp model comprises a siphon filter with silver impregnated ceramic and a 10 litre water bag. This simple system allows filtration without pumping. Capacity (gal) ~ 5'300 Capacity (L) ~ 20'000 Dimensions (cm) 19 x 10 Dimensions (in) 7.5 x 4 Output (gal) ~ 1.4 gal/h Output (L) ~ 5 L/h Technology 0.2 micron ceramic depth filter (cleanable) Weight (grams) 620 Weight (oz) 22