Atlantic Water Gardens Typhoon Deep Water Diffuser EasyPro Pond Products It is designed for use

It is designed for use with the Pondmaster® AP-40

Air Pump Size MDB11 Small 1 9" 40-80 Lpm MDB11-12 Small 1 12" 80-150 Lpm MDB12 Small 2 9" 80-160 Lpm MDB12-12 Small 2 12" 160-300 Lpm MDB22 Large 2 9" 80-160 Lpm MDB22-12 Large 2 12" 160-300 Lpm MDB24 Large 4 9" 150-250 Lpm MDB24-12 Large 4 12" —

When used with recommended air flow

Control valve rotates and locks in desired position to control water flow

Atlantic Water Gardens Typhoon Deep Water Diffuser EasyPro Pond Products It is designed for useThis innovative diffuser maximizes circulation and oxygen transfer with an extruded EPDM tube for tremendous longevity. Bubble sizes that decrease as pressure rises maximize surface area for extremely efficient gas diffusion. Aeration diffusers accommodate nearly every depth and profile. Diffusers can be filled with gravel or sand to keep weighted to the bottom of the pond. Unique diffuser shape accelerates the rising water column Can handle air flow