Rule AUTO 500 12v BILGE PUMP RWB807 resin These Optimist buoyancy bags are

These Optimist buoyancy bags are made of polyurethane coated nylon and are about half the weight and significantly stronger than buoyancy bags made of PVC or PVC coated nylon

850 kg Weight 28 g

streamline profile and super soft closed cell foam floatation molds to your body for added comfort and better performance

The double-thick Black Magic® palm material provides superior grip

Fastener size = M6 (1/4")

Rule AUTO 500 12v BILGE PUMP RWB807 resin These Optimist buoyancy bags areHow the Automatic Sensing pumps work The S series Automatic sensing RULE bilge pumps work on the principle of impeller resistance. They DON'T need a float switch they are fully Automatic sensing pumps. The pump turns on every 2 1 2 minutes for about 1 secondto sense for water. If water is present, the pump will sense resistance at the impeller and continue to run until the water is removed. After that, it will resume checking for water every 2 1 2