These rubber seals are suited for the Topspin water distributor and are delivered in apack of eight. The seals are used on the hose endpieces of the Topspin, when its cover is opened (see fig.). This is necessary to shut down the water supply, if less than twelve hoses are needed. That way nutrition solution will not be wasted and run through the unused hoses. The rubber seals are reusable and durable - you can put them on and off as you like - that enables you to preserve resources when using your Topspin.
Content: 8 seals made of soft rubber