Both Sides are for 8mm or about 5/16" lines. Item Condition: New. Best quality product made in Italy.
Hose Kit, One-Way Check Valve Design, Easy One-Person Brake Bleeding for DIY ...
UPR Pro-Series One-Way Check Valve , 3/4" Black Anodized with Viton Diaphragm
17 NEW NASCAR ALUMINUM -12an ONE WAY CHECK VALVE HOUSINGS (NO INTERNAL FLAPPER)
One Way Check valve Non Return In-line with Diesel Fuel Filter 3/8" 10mm
One Way Check valve Non Return In-line with Diesel Fuel Filter 5/16" 8mm
Aeromotive 15106 BLACK ONE-WAY CHECK VALVE ORB-06 6AN
