Amish-Made Poly Lumber Birdfeeders and Birdhouses Complete Aquatics The 2" Check Valve Kits

The 2" Check Valve Kits "A" and "B" are designed for optimal water flow and solids-passing capabilities

Cultivates nitrifying bacteria and promotes gas exchange

Cleaner Than Bales

24 billion CFU per ounce

Inner Diameter Outer Diameter Weight 3/8" 0

Amish-Made Poly Lumber Birdfeeders and Birdhouses Complete Aquatics The 2" Check Valve KitsTypically ships in 3 5 business days The bird houses and bird feeders are made of all poly lumber and stainless steel fasteners. They are designed to sit on a 4x4 post (not included). The unique bell roof is covered with untreated copper. Bird feeder roof comes off to allow easy filling. Bird houses open up to allow easy cleaning. Size Height Width Small 29" 12" Large 36" 16" On the birdhouse, the entrance hole through which the birds fly in and out