Pentair accumulator tank.
Designed to hold water under pressure downstream of the pump. This minimizes cycling, pulsation, and pressure spikes, while increasing the life of you pump and saving battery power.
1/2-14 NPSM-Male Inlet / Outlet - dual swivel included.
Accumulators are shipping with 0psi. Test and fill with tire pressure gauge / tire filler.
Easily handles pressure from 20psi to 125psi.