The Gamma Series 4 is an upgraded version of the Gamma Series 3. The Gamma 4 cleaning heads will retrofit into your existingGamma 3 & Gamma 4 Collars. Introduced in mid-2012, the Gamma 4 utilizes a bigger locking tab to help increase locking strength.
Easy to Install: Our three-layer fence hangers are adjustable, after adjusting to the appropriate thickness, tighten the adjusting parts on the hook by hand to fix. It is suitable for most of the swimming pool fences.
Easy to Install: This fence hangers is adjustable, after adjusting to the appropriate thickness, tighten the adjusting parts on the hook by hand to fix, suitable for installation on the fence of most swimming pool.