BEFORE ORDERING !! , PLEASE CHECK AVAILABILITY Jabsco 1" Bronze Pump Head Kit Fitted with NITRILE Impeller Connections: 1" BSP ports Dimensions: Pump head 138mm long, 120mm wide Output: up to 80 litres/minute at 3m head @ 1500rpm Bronze and Stainless Steel construction suitable for seawater Carbon/ceramic mechanical seal, nitrile impeller Self primes from dry up to 5m. Non pulsating flow. Gentle pump action does not damage shear-sensitive products. Liquid temperatures from 4ºC to 82ºC