100% Glass-Bonded Silica Fine Pore Air Diffusers. These air diffusers are the best choice for aquaculture, wastewater and lake aerations because of the round grain pore structure, low resistance and uniform porosity. These are the Industry Standard in fish farms and hatcheries worldwide for 35 years. The small air stone that outperforms much larger BLUE stones every time! These diffusers DO NOT fall apart! Don't waste another dollar on inferior import stones.

Durable, Affordable and Easy To Maintain

Provides years of performance with minimal maintenance

Highest quality air diffusers available on the market today

Great air diffusers for small aquariums

Made in the USA

Model #	Dimensions (L x W x H) in.	Size/ Connection	Recommended Flow Rate (CFM)	Weight lbs
DFSR-FP-020.010.316B	2" x 1.0" x 1.0"	3/16" Barb	0.20	0.10
DFSR-FP-030.010.14B	3.0" x 1.0" x 1.0"	1/4" Barb	0.30	0.16
DFSR-FP-015.015.316B	1.5" x 1.5" x 1.5"	3/16" Barb	0.25	0.21
DFSR-FP-030.015.14B	3.0" x 1.5" x 1.5"	1/4" Barb	0.35	0.39
DFSR-FP-060.015.14B	6.0" x 1.5" x 1.5"	1/4" Barb	0.5	0.75
DFSR-FP-060.015.12T	6.0" x 1.5" x 1.5"	1/2" MPT	0.5	0.75
DFSR-FP-090.015.14B	9.0" x 1.5" x 1.5"	1/4" Barb	0.75	1.35
DFSR-FP-090.015.12T	9.0" x 1.5" x 1.5"	1/2" MPT	0.75	1.35

AIR DIFFUSER FINE PORE