Jabsco 1L Accumulator Tank w/Internal BladderJabsco 1L Accumulator Tank with Internal Bladder is a compact solution for smoothing water flow in any pumped water system controlled by a pressure switch. It's ideal for boats, RVs, motor caravans, and coaches, delivering a steadier, more comfortable water supply. Capacity: 1 liter Internal bladder: Provides smoother, more even water flow and reduces pressure variation between pump and outlets Port fittings: Snap in 1 2" barbed hose fittings and 1 2"