• Air Stones 4-Pack Model #0031F 1.5" x 1.5" X 3" with 1/4" OD barb, Fine Pore Diffuser Stones

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     100% Glass-Bonded Silica Air Diffuser Stones

    Suggested CFM .35 or LPM 9.91 Weight .39 lb.

    Maximum Pore Size 80 Microns

    Service life at PH Below 8.0 UNLIMITED

    Aeration increases surface agitation and oxygen levels,

    thereby eliminating "dead spots" and water stratification.

    Bubblemac air stones are self-weighted and produce uniform bubbles,

    and are also resistant to clogging.

    (A mild acid bath restores the diffuser to like-new performance)

    Our Diffuser Bumpers increase the efficiency of the air stone by

    providing 20% additional bubble area. (the underside of the diffuser)

    Bubblemac Aeration Products provides the

    "Highest Quality Air Diffusers Available on the Market Today"

    Made in the USA