Fittings

High Quality Pond Pro Check Valve 3/4" FPT x 3/4" FPT Ideal for Air Stones & Diffusers    

High Quality Pond Pro Check Valve 1/2" MPT x 1/2" MPT Ideal for Air Stones & Diffusers Only 1/3 psi cracking pressure  

 Brass Pressure Relief Valve   Brass Pressure Relief Valve for air compressors (Can-Air models, Teich-Aire models, CA- series, EasyPro SRC models). Available in 1/4" NTP or 3/8" NTP, and 25 or 40 PSI to help protect your compressor from...

Pond Pro Diffuser Check Valve- 1/2" MPT x 1/2" FPT Check Valve 1/2" MPT x 1/2" FPT Used on Many Air Stones/Diffusers including many Can-Air and Robust-aire diffusers

Pond Pro 1/4" Diffuser Check Valve  Check Valve 1/4" FPT x 1/4" FPT Used on the ECO diffuser and the Can-Air SS diffusers this check valve has 1/3 lb cracking pressure and Buna Seal Airstone/Diffuser