Waterway 6-Port Manifold [3/4" Barb x 3/8" (6) Smooth Barb] (672-7190) gaskets Check valves are useful because

Check valves are useful because they help prevent unwanted reverse flow that can affect the performance of connected equipment and plumbing lines

A properly selected grid helps restore intended filtration support and contributes to cleaner routine maintenance

and cord length

Helps introduce air into compatible spa systems

Waterway 6-Port Manifold [3/4" Barb x 3/8" (6) Smooth Barb] (672-7190) gaskets Check valves are useful becauseThe Waterway 672 7190 6 port manifold is designed for compatible plumbing applications using a 3 4 inch barb main connection and six 3 8 inch smooth barb outlets. This type of manifold is useful where one flexible supply line must branch into several smaller tubing lines in a compact, organized way. The all barb format makes this Waterway manifold especially practical in tubing based systems where hard pipe connections are not required. It can help