Order By Phone – (800) 778-1540 or (636) 583-1608 – M-F: 8:00AM to 4:30PM (CST)
Free Shipping on Orders Over $30 + Same Day Shipping! Mon.-Fri. (if ordered by 2:00 pm CST)
We offer a 100% Satisfaction Guarantee on your order from septictankparts.com.
Return / Exchange Policy
The Fine Bubble Air Diffuser delivers fine air bubbles for maximum aeration in your septic system.
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.
2.7 CFM, 2 Year Warranty
The Whirlwind STA40 Septic Air Pump is one of the highest quality, reliable septic air pumps on the market today! It's longer service life and performance makes it one of the best available. Perfect for some 500 GPD treatment systems as well as pond aeration, etc.
Most 500GPD treatment systems will use our Whirlwind ST60N or STA80N.
Filter pad (1)
Hose and clips (2)
The Whirlwind STA40 Septic Air Pump comes with a 2-year limited warranty.
3.7 CFM, 2 Year Warranty
The Whirlwind STA60N Septic Air Pump is one of the highest quality, reliable septic air pumps on the market today! Built with oversized diaphrams and a shuttle for long service life ensuring excellent performance making it one of the best available. Used in some 500 GPD treatment systems, pond aeration, etc. MOST 500 GPD treatment systems use the Whirlwind STA80N.
We offer a 2-year limited warranty on all Whirlwind Septic Air Pumps.
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.
Order by phone – Call us toll free: (800) 778-1540 – Weekdays 8:00AM to 4:30PM (CST)