All Products › Bell Reducer Diffuser WT108 Bell Reducer Diffuser WT108 $14.00 Stainless Steel 3/8" x 1/4" Bell Reducer. Connects the barbed fitting to the diffuser Stainless Steel 3/8" x 1/4" Bell Reducer. Connects the barbed fitting to the diffuser Quantity: Add To Cart Added! Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More Related Products Check Valve WT104 from $12.00 Sale High Volume, High Pressure Ozone Pump 120v. [BEST] HPAP - BACKORDERED Sale Price: $285.00 Original Price: $330.00 Sold Out Triple O Lift Pipe Assembly 100sq. ft. (Original) TOLPA $195.00 Diffuser WT105 from $9.95 Sale Compatible Triple O Air Pump 120 v. 8psi [BETTER] AP120 Sale Price: $229.00 Original Price: $269.00 Sale