Rena Undergravel Plates 50 pieces per box

Unique modular undergravel filter with snap together tiles that can be cut and shaped to fit irregular areas or stacked to create a contoured bottom. Sturdy plates will withstand up to 10 lbs of weight per plate without collapsing. Cutouts on sides can be use to run heating cables or tubing underneath the filter plates. Each plate has a bracket for the lift tube item G215.