Atlantic Water Gardens Basalt Columns filter media The AV40HB has a flow

The AV40HB has a flow rate from 1

The Pro Air 60 has two specially designed

This product is harmless to all nitrifying bacteria and aquatic plants

The A-31 is a 115-volt

The Flow Regulator includes valve body and two metric step fittings

Atlantic Water Gardens Basalt Columns filter media The AV40HB has a flowMPN: 91802, 73778, 73779, & 73780 Attractive natural stones are drilled to create overflowing water features Hexagonal pillars have a sawn base for stability and snapped top that emphasizes the stone Volcanic basalt oxidizes to form attractive multi colored patina over time Atlantic's Basalt Columns are generously core drilled to 1. 375" to fit up to 1" Sch 40 PVC or 0. 75" kink free tubing plus a light cord A 2" diameter, 5" deep socket at the top