Atlantic® Oase BioTec Screenmatic² Aeration Pond Size_1 Acre - 20' Deep Rock Lid Model RL140 Dimensions:

Rock Lid Model RL140 Dimensions: 42" x 38" x 10"

Pump Cover for PM24 & PM36 - 12783

The MDB12 comes complete with two 9" air discs supported above the base

Adds Essential Electrolytes

Power cord

Atlantic® Oase BioTec Screenmatic² Aeration Pond Size_1 Acre - 20' Deep Rock Lid Model RL140 Dimensions:Flow through filters with biological and mechanical filtration clean and clear pond water which flows back down to the pond by gravity OASE BioTec Screenmatic automatically separates debris using the self cleaning screen, depositing coarse debris into the removable tray Intelligent cleaning sensor detects pollutant levels entering filter and automatically activates the screen High efficiency filter system features 3 different densities of foam