Order By Phone – (800) 778-1540 or (636) 583-1608 – M-F: 8:00AM to 4:30PM (CST)

(0) items
You have no items in your shopping cart.
Shop By Category
    Manufacturers: Retro Air , Whirlwind

    Fine Bubble Tube Diffuser

    Item #: RATUBEDIFF-300
    Ship to
    Shipping Method
    Estimated Delivery
    No shipping options

    Free Shipping Over $30

    Same Day Shipping! Mon.-Fri.

    (If Ordered by 2:00 pm CST)

    100% Satisfaction Guarantee

    View Return/Exchange Policy

    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

    Product Details

    • Non clogging
    • Self cleaning
    • Back flow prevention
    • Corrosion resistant


    • Non clogging
    • Self cleaning
    • Back flow prevention
    • Corrosion resistant
    Customers Also Purchased

    Gast 0523 Rotary Vane Air Compressor


    The Gast 0523 Rotary Vane Air Compressor is a rotary vane type compressor/vacuum pump used for 500GPD aerobic septic tanks. This pump can be used as a compatible replacement for Gast 0323, 0523, RV03, RV05, Thomas QR-0030 and QR-0050 units.

    The Gast 0523 Rotary Vane Air Compressor pump includes an internal muffler and filter silenced for quieter operation, a thermal protector to protect the motor from overheating and burning out as well as an integrated foot support assembly to make mounting the 0523 pump easier.

    *Thomas is a registered trademark of Gardner Denver Thomas, Inc.

    The rugged Gast 0523 has a tough cast iron housing and sealed bearings providing a low maintenance and durable solution for just about any low pressure application.

    Includes (1) thermal protector (1) internal muffler and filter (1) foot support assembly


    The Gast 0523 Rotary Vane Air Compressor comes with a 1-year manufacturer warranty.

    Red Alert P101-2 Control Panel

    Product Video

    The Red Alert P101-2 Control Panel is a superior replacement for panels used with septic tank aerators. This control panel is compatible for use with air pumps, vane pumps, regenerative blowers, and linear style aerators manufactured by brands such as Whirlwind®, Hiblow®, Gast®, Secoh®, as well as alternative high-quality replacement units like the ones produced by Septic Tank Parts. This unit is not to be used with shaft-style aeration systems.

    For shaft-style aerators, use the Red Alert P101FA-2 Control Panel.

    The Red Alert control panel is manufactured for longevity in indoor and outdoor use. Crafted from industrial-grade plastics, UL-rated weather-resistant housing, and anti-corrosive zinc-plated screw terminals, this control panel is resistant to wear and temperature extremes.

    With the Red Alert™ 24-time control technology, the P101-2 is completely programmable with a control timer, warning light, and a 3-position toggle switch that allows the unit to be on/auto; off; or in continuous run mode. The ability to program down to 15-minute intervals gives you precise control over your aerator scheduling.


    We offer a 2-year limited warranty on Red Alert Control Panels.

    Whirlwind 80 Septic Air Pump

    Product Video

    3.9 CFM, 2 Year Warranty


    Whirlwind® STA Series Septic Air Pumps are dependable, energy-efficient aerators that offer extremely quiet operation and excellent long life. Whirlwind® linear air pumps use diaphragms to compress and move air through heavy-duty tubing into the wastewater of your septic aeration tank. The Whirlwind® STA80N Septic Air Pump operates 80 LPM at 2.18 PSI with a maximum continuous operating pressure of 4.35 PSI. The STA80N also achieves a maximum open air flow of 3.9 CFM. Linear diaphragm air pumps are effective pumps for septic aeration and have been widely used for pond aeration, as well as applications in medical and laboratory settings.

    The Whirlwind® STA80N Septic Air Pump is a compatible septic tank pump replacement for original equipment manufacturer (OEM) 80 LPM models including: Alita AL-80, Blue Diamond ET-80/ETX-80, FujiMAC MAC80R II, Hiblow HP-80, Secoh EL-80/JDK-80, and Thomas AP-80/AP-80H.


    We offer a 2-Year Limited Warranty on all Whirlwind Septic Air Pumps.

    9" Threaded Disc Diffuser - Fine Bubble


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

    3/4" Male pipe threaded connection

    9" diameter

    Whirlwind STA80 Diaphragm Kit


    One diaphragm kit for Whirlwind STA80 and STA80N Linear Air Pump.

    Whirlwind air pumps provide years of dependable service but due to continual wear over time some pump components may need to be replaced in order to continue to provide the proper air flow. Instead of purchasing a new pump, you may just need to replace some internal components.

    Diaphragm kit includes two diaphragm blocks, two diaphragm heads, one filter pad, and hardware.