The cone diffuser is a clog free, bottom discharge diffusers that uses a trapped bubble of air to keep wastewater out of the air pipes. Each Air-Seal diffuser can handle up to 12 CFM. This diffuser may be used with most septic air pumps including Whirlwind, Gast, Secoh and Medo pumps.

The Fine Bubble Air Diffuser delivers fine air bubbles for maximum aeration in your septic system.

3/4" Male pipe threaded connection

9" diameter

The membrane fine bubble tube diffuser provides a uniform fine bubble for high oxygen transfer efficiency. The tube diffuser is non clogging, self cleaning, and resistant to corrosion. Can be used for wastewater applications, aeration for ponds/lakes, and many other applications.

3/4" Threaded female inlet to 1/2" male barb fitting

The Retro-Air complete hose kit contains a 15-foot section of 1/2" flexible PVC pipe, float, and weighted fine bubble diffuser pre-assembled and ready to drop in your septic tank. Can be used as a replacement for the Retro-Air or in a new installation.