3/8" Weighted Airline, 25' roll Beneficial Bacteria the last 1-1/2" is enlarged

the last 1-1/2" is enlarged to 1-3/8" to hide light ring

FEEDING CHART

Check label for other water restrictions and application information

These aerators are designed for continuous duty and are used when the water is too shallow for bottom diffuser aeration systems

3/8" Weighted Airline, 25' roll Beneficial Bacteria the last 1-1/2" is enlargedThis heavy duty airline is manufactured exclusively for Keystone Hatcheries! Forget about tying bricks onto airline this hassle free tubing will sink right to the bottom without weights. It is kink resistant, metal free, black in color and virtually leak proof! Use 3 8" barbs and 1 2" Stainless Steel Clamps (see Airline Accessories).