MIXAIR Retro? RB4 Diffuser, 11 1/4 L x 10 1/2 W x 3 H (In.)

Diffuser, Open Spiral, Multi-Plane, Fine Bubble, Material of Construction Schedule 40 PVC, LDPE, Length 11 1/4 In., Width 10 1/2 In., Height 3 In., Flow Interference 0.85 In., Active Surface Area 192 Sq.-In., Linear Lift 144 In, Fitting Size 1/2 FNPT In., Air Requirements 1.5 to 4.5 SCFM, Ideal For Depths Over 5 Ft., Requires Ballast G3245401, Connection Kit G3274031, Splice Kit G1284245, Special Features Thoroughly Aerates and Mixes, Application Recreational Ponds and Lakes Features Application: Recreational Ponds and Lakes Fitting Size (In.): 1/2 FNPT Height (In.): 3 Item: Diffuser Length (In.): 11-1/4 Material of Construction: Schedule 40 PVC, LDPE Type: Open Spiral, Multi-Plane, Fine Bubble Width (In.): 10-1/2 Air Requirements (SCFM): 1.5 to 4.5 Special Features: Thoroughly Aerates and Mixes Manufacturers Warranty Length: 1 year Ideal For: Depths Over 5 ft. Requires: Ballast, Connection Kit, Splice Kit Active Membrane: 0.85" OD x 72" Flow Interference (In.): 0.85 Active Surface Area (Sq.-In.): 192 Linear Lift (In): 144 Gallons Mixed/Hour @ 6 Ft. Depth per CFM Air Input: 110,000 to 330,000