Pond Force™ Economy Rock Covers are economical covers that make it easy to protect your air pump while hiding it in any environment! This well-designed cover comes with optional air vent. The following dimensions apply to either the RC1 or the RC1-V
Outside Dimensions are12" wide x 15" long x 10" high.
Inside at the bottom the dimensions are 14" x 11.5" The cavity is about 9" or 9.5" high.
The sides taper inward. At the top of the cavity the dimensions are about 10.5 x 8.5.