"GREAT LAKES"-{ALR23}-"SWEETWATER" - 9" Replacement Air Diffusers - by Bubblemac Industries, Inc. manufacturers of"The Forever Bubble Stone" 100% Glass-Bonded Silica

"GREAT LAKES"-{ALR23}-"SWEETWATER" - 9" Replacement Air Diffusers - by Bubblemac Industries, Inc. manufacturers of"The Forever Bubble Stone" 100% Glass-Bonded Silica

• Each Bubblemac Air Diffuser measures 1.5" x 1.5" x 9" with a 1/2" MPT Fitting That Will Thread Directly Into The Great Lakes Underlayment. {Suggested CFM = 1.5 or 40-45 lpm}
• Made In The USA With A Two-Year Warranty. ALL Bubblemac Products Boast A "NO QUESTIONS ASKED" Return Policy. If You Do Not Agree That Our Aeration Products Outperform The Competetions Diffusers, Simply Return Them For A Full Refund! -- "Made Locally / Used Globally" --
• Diffuser Specs: Maximum Pore Size 140 Microns, Nominal Partical Retention 50 Microns, Flexural Strength 2500 PSI, Bubble Size 1-3 MM, SERVICE LIFE UNLIMITED When Used In pH 8.0 Or Less. These Air Diffusers Should Not Need To Be Cleaned For One Full Year. When Cleaning Is Necessary, Simply Bath In A Diluted Solution Of Muriatic Acid {mild swimming pool acid}, Rinse Well and This Will restore The Diffuser To "Like New Performance"
• Bubblemac Air Diffusers are Time-Tested and Proven To Be The Most Effective, Most Economical Method Of Increasing Aeration Available On The Market Today!
• 3.5 Million Units Manufactured And Distributed To Fish Farms, Hatcheries, College Labs, and Wastewater Treatment Facilities Over The Past 16+ Years. Buy The Best, Buy Direct From The Manufacturer. BEWARE OF IMITATIONS!!! Bubblemac diffusers are the original 2000F glass-bonded silica air diffusers introduced by Bob Heideman founder of Aquatic Eco-System in 1978. You may come across other diffusers that copy our sizes, descriptions and even our photos.