Weighted Diffuser Fittings

These black plastic fittings are required for the weighted diffuser tubing. The PIOU couples 1/2" tubing. The PIOM is a 1/2" male adapter. The tee union (PIOT) connects two lengths of tubing to a 1/2" MNPT male adapter. Tube insert supports included. Made in USA.

Note: Diffusers are also known as airstones.

Weighted Diffuser Fittings

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Part No.Product NameShippingIn StockPriceQuantity
PIOM WD Male Adapter, 1/2" MNPT In Stock $2.95  
PIOT WD Tee Union, 1/2" MNPT Out of Stock
Still available for ordering		 $6.75  
PIOU WD Coupling In Stock $4.15  
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