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Amazon.com : Mini Skater Garden Agricultural Irrigation 0.62 Inch/16mm (OD) Barbed Drip Bulk Plastic PE Connector Fittings(20 Elbows) : Patio, Lawn & Garden
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Globe Scientific 116152C Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Clear (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific
Xucus Copper Plated Nickel Quick Screwing Fittings PE 4-16mm Hose Tee Penumatic Fitting Quick Connectors - (Size: 4mm): Amazon.com: Industrial & Scientific
