The minimum required quantity for Swivel Barb Adapter, for use with Soft-Walled Tubing, Polypropylene, Each For 1/8" (3.2 mm) ID Tubing (D-648) is 25. Showing the single result Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Volume ShopBiotechAdaptors/UnionsSwivel Barb Adapter, for use with Soft-Walled Tubing, Polypropylene, Each For 1/8″ (3.2 mm) ID TubingD-648 £6.90 EX VAT Add to basket