Union Check Valve, 2" Pond Liners & Underlayment so they won't leach any

so they won't leach any minerals into the water that can lead to algae growth

300 feet of 3/8" Weighted Airline (#W38-100)

3 different kits are available with 1 to 4 diffusers for ponds up to 3

This product is the Blue Matala Filter Pad for the Medium Aquafalls

This manifold valve connects to 1/4" metal FPT and splits the airflow to 4 3/8" airlines

Union Check Valve, 2" Pond Liners & Underlayment so they won't leach anyThe union connections on these check valves allow you to glue the lines together, for a much more secure connection than rubber couplings, and still be able to easily disconnect them. Used in the skimmer for most EasyPro Pond Kits, the inside couplings are female socket.