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Lots of high-quality output at a low cost.
The Silent Air series air pumps from Penn Plax® offer reliable, quiet operation. Each pump features separate compressors for each outlet, nonskid feet and mounting tabs for attaching to a wall with screws (not included). Five-year limited warranty.
SA4: Rated up to 55 gallons.
Penn Plax® is a registered trademark of Penn-Plax Plastics, Inc.