Shurflo Pre-Pressurized Accumulator TankSHURflos Pre-Pressurized Accumulator Tank smoothes water faucet pulsations and reduces pump cycling to keep water line pressure up and pump motors cool. The SHURflo accumulator tank reduces plumbing system noise, increases the life of your pump and saves battery power. Coupler fitting is included.Features & Benefits: Reduces pump cycling; Smooths water faucet pulses; Pre-pressurized to 30 PSI with built-in diaphragm; Specifications: Dimensions: 9.1" x 4.8" 3.8" [232x121x97mm]; Port Size: 1/2" NPSM Ports; Total Volume: 24 oz. [710ml]; Maximum PSI: 125 PSI [8.75 BAR]; Pre-charge: 30 PSI [2.1 BAR];