Atlantic Water Gardens Skimmer Rock Lids aeration diffuser The mechanical and biological filtration

The mechanical and biological filtration helps water move quickly through the filter so that debris doesn't settle in your pond

600 gph 20

Calcium Iodate

all while adding a large amount of oxygen to the pond

Available in pest-proof 4

Atlantic Water Gardens Skimmer Rock Lids aeration diffuser The mechanical and biological filtrationSay goodbye to that plastic fake rock look forever with realistic Atlantic Water Gardens Rock Lids. Molded from real stones, the sturdy fiberglass construction, authentic textures and incredibly real finishes set these Rock Lids apart from other faux stones. Three sizes and four regional colors ensure the perfect fit for every application. No one will ever know it's not real! Model Size Matching Pump Vault Skimmer Dimensions RL30 Small PV1800 PV2300