Screw-in shell - 11/2" thread, length 40 mm.

The quality of the water in the pool depends largely on the exchange system (the way of taking water out and bringing water into the pool)

• Return jets - used to return already treated water back to the pool. They are usually placed opposite the skimmer or in places where it is necessary to circulate the pool water and avoid "dead corners". Jets are made of steel or plastic materials.
• Suction