5” and 2” pipe are provided on both sides of the skimmer

providing both mechanical and biological filtration

connect them with weighted tubing tied to an air compressor onshore

With single unions above and below the check valve for easy removal of the valve and pump

Two 20-pound weights or concrete blocks required for anchoring (not Included)

Kasco Aquaticlear Prop Bolt and Washer Kit plant container 5” and 2” pipe areReplacement Kasco Aquaticlear Prop Bolt and Washer Kit Replacement Hex Head Screw and Toothed Washer, which hold the Aquaticlear Propeller in position. This kit fits all three Aquaticlear models: 4400C 1 HP 3400C 3 4 HP 2400C 1 2 HP The kit consists of the following items: Hex Head Screw (Bolt) 1 2 20 x 1 Bronze 1 2 in Washer (internal tooth)