Harken 40mm Carbo Air Double Swivel Block [2638] Marine Plumbing & Ventilation | Impellers Improved design and performance means

Improved design and performance means that our next generation 800GPH pump will produce this flow at just 12V rather than 13

Useful as a back-up pump or for a simple freshwater supply pump

Sealed switch mechanism resists moisture

IP68 rated connectors for continued connection integrity in marine environment

oil-rubbed finishes

Harken 40mm Carbo Air Double Swivel Block [2638] Marine Plumbing & Ventilation | Impellers Improved design and performance means40mm Carbo Air Double Swivel Block Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications: Sheave (mm)40 mm Sheave (in)1 9 16 in Maximum line (mm)10 mm Maximum line (in)3 8 in Maximum working load (kg)440 kg Maximum working load (lb)970 lb Quick Guide (pdf)