![Amazon.com : ZXCVB 16mm Pipe Water Control L Shaped Valve Greenhouse Drip Irrigation Watering Gardening PE Pipe Tube Switch Waterstop Connectors : Patio, Lawn & Garden Amazon.com : ZXCVB 16mm Pipe Water Control L Shaped Valve Greenhouse Drip Irrigation Watering Gardening PE Pipe Tube Switch Waterstop Connectors : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/61ybe0Z7TLL._AC_SX425_.jpg)
Amazon.com : ZXCVB 16mm Pipe Water Control L Shaped Valve Greenhouse Drip Irrigation Watering Gardening PE Pipe Tube Switch Waterstop Connectors : Patio, Lawn & Garden
![100pcs PE Test Tube Plug Diameter 12mm 16mm Lab Test Tubes Generic Stoppers Soft Leakproof Labware Caps, Blue/Snow and Blue: Amazon.com: Industrial & Scientific 100pcs PE Test Tube Plug Diameter 12mm 16mm Lab Test Tubes Generic Stoppers Soft Leakproof Labware Caps, Blue/Snow and Blue: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51+LoO-Q6JL._SX342_.jpg)
100pcs PE Test Tube Plug Diameter 12mm 16mm Lab Test Tubes Generic Stoppers Soft Leakproof Labware Caps, Blue/Snow and Blue: Amazon.com: Industrial & Scientific
![Globe Scientific 116152C Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Clear (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific Globe Scientific 116152C Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Clear (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61wqs93mepL._SX342_.jpg)
Globe Scientific 116152C Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Clear (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific
![Globe Scientific 118115Y Polyethylene Universal Snap Cap for 12mm, 13mm and 16mm Test Tubes, Yellow (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific Globe Scientific 118115Y Polyethylene Universal Snap Cap for 12mm, 13mm and 16mm Test Tubes, Yellow (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51HhWWkp6ZL._SX342_.jpg)
Globe Scientific 118115Y Polyethylene Universal Snap Cap for 12mm, 13mm and 16mm Test Tubes, Yellow (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific
![Amazon.com : Durable 2M 16mm 20mm Pipe Agriculture Garden Drip Irrigation Water Tube 5/8" 3/4" PE Pipe DN16 DN20 Distribution Tubing Irrigation Accessories (Diameter : 20mm LDPE Pipe) : Patio, Lawn & Garden Amazon.com : Durable 2M 16mm 20mm Pipe Agriculture Garden Drip Irrigation Water Tube 5/8" 3/4" PE Pipe DN16 DN20 Distribution Tubing Irrigation Accessories (Diameter : 20mm LDPE Pipe) : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/61PV9WRWUnL._AC_SX425_.jpg)
Amazon.com : Durable 2M 16mm 20mm Pipe Agriculture Garden Drip Irrigation Water Tube 5/8" 3/4" PE Pipe DN16 DN20 Distribution Tubing Irrigation Accessories (Diameter : 20mm LDPE Pipe) : Patio, Lawn & Garden
![Xucus Copper Plated Nickel Quick Screwing Fittings PE 4-16mm Hose Tee Penumatic Fitting Quick Connectors - (Size: 4mm): 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](https://m.media-amazon.com/images/I/31fmLtT2niL._SX342_.jpg)
Xucus Copper Plated Nickel Quick Screwing Fittings PE 4-16mm Hose Tee Penumatic Fitting Quick Connectors - (Size: 4mm): Amazon.com: Industrial & Scientific
![Amazon.com: MYCZLQL Fast Joint Elbow PE Pipe Fittings Cap, Fast Joint Connector 16mm 20mm 25mm 32mm 40mm 50mm 63mm (Color : Blue, Size : 20mm) : Tools & Home Improvement Amazon.com: MYCZLQL Fast Joint Elbow PE Pipe Fittings Cap, Fast Joint Connector 16mm 20mm 25mm 32mm 40mm 50mm 63mm (Color : Blue, Size : 20mm) : Tools & Home Improvement](https://m.media-amazon.com/images/I/51gWkqhm9tS._AC_SX466_.jpg)
Amazon.com: MYCZLQL Fast Joint Elbow PE Pipe Fittings Cap, Fast Joint Connector 16mm 20mm 25mm 32mm 40mm 50mm 63mm (Color : Blue, Size : 20mm) : Tools & Home Improvement
![Pipe Fittings - 10~100pcs 16~20mm Gaskets Garden Irrigation Sealing Apron PE Pipe Connector Seal Ring Leak-Proof Watering Kits Rubber Pad Washer (100pcs 16mm (Black)) - - Amazon.com Pipe Fittings - 10~100pcs 16~20mm Gaskets Garden Irrigation Sealing Apron PE Pipe Connector Seal Ring Leak-Proof Watering Kits Rubber Pad Washer (100pcs 16mm (Black)) - - Amazon.com](https://m.media-amazon.com/images/I/51JXRqcpSwL._AC_SY355_.jpg)
Pipe Fittings - 10~100pcs 16~20mm Gaskets Garden Irrigation Sealing Apron PE Pipe Connector Seal Ring Leak-Proof Watering Kits Rubber Pad Washer (100pcs 16mm (Black)) - - Amazon.com
![Globe Scientific 116152G Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Green (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific Globe Scientific 116152G Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Green (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71jgdC2xHDL._SY679_.jpg)
Globe Scientific 116152G Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Green (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific
![Amazon.com: Connector PE Pipe Fittings Three-Way Quick Joint Tap Pipe Fittings Plastic Pipe Fittings 16/20/25/32/40/50/63mm Fitting (Color : Blue, Thread Specification : 16mm) : Tools & Home Improvement Amazon.com: Connector PE Pipe Fittings Three-Way Quick Joint Tap Pipe Fittings Plastic Pipe Fittings 16/20/25/32/40/50/63mm Fitting (Color : Blue, Thread Specification : 16mm) : Tools & Home Improvement](https://m.media-amazon.com/images/I/61yMk0lAzZL._AC_SX466_.jpg)
Amazon.com: Connector PE Pipe Fittings Three-Way Quick Joint Tap Pipe Fittings Plastic Pipe Fittings 16/20/25/32/40/50/63mm Fitting (Color : Blue, Thread Specification : 16mm) : Tools & Home Improvement
![Amazon.com : Fdit 10Pcs 16mm to 4/7 Garden Lock Barbed Garden Connector Tee Connector for PE Hose Garden Irrigation : Patio, Lawn & Garden Amazon.com : Fdit 10Pcs 16mm to 4/7 Garden Lock Barbed Garden Connector Tee Connector for PE Hose Garden Irrigation : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/61p5DyT9DTL._AC_SS450_.jpg)
Amazon.com : Fdit 10Pcs 16mm to 4/7 Garden Lock Barbed Garden Connector Tee Connector for PE Hose Garden Irrigation : Patio, Lawn & Garden
![Amazon.com : ZXCVB 20pcs 16mm PE Tube Water Connector Garden Irrigation Accessories 1/2" X 3/8'' 1/4'' 1/8'' 6.0mm Tube Joint Reduction Joint (Color : Yellow) : Patio, Lawn & Garden Amazon.com : ZXCVB 20pcs 16mm PE Tube Water Connector Garden Irrigation Accessories 1/2" X 3/8'' 1/4'' 1/8'' 6.0mm Tube Joint Reduction Joint (Color : Yellow) : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/61HIUh-nYfL._AC_SX425_.jpg)
Amazon.com : ZXCVB 20pcs 16mm PE Tube Water Connector Garden Irrigation Accessories 1/2" X 3/8'' 1/4'' 1/8'' 6.0mm Tube Joint Reduction Joint (Color : Yellow) : Patio, Lawn & Garden
![Amazon.com : XtremeAmazing Drip Irrigation Barbed Ball Valve 16mm 1/2 Inch Tubing Shut-Off Gate Switch Hose Connectors for Agricultura Garden Pack of 10 : Patio, Lawn & Garden Amazon.com : XtremeAmazing Drip Irrigation Barbed Ball Valve 16mm 1/2 Inch Tubing Shut-Off Gate Switch Hose Connectors for Agricultura Garden Pack of 10 : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/61rOpDEX5xL._AC_SX425_.jpg)
Amazon.com : XtremeAmazing Drip Irrigation Barbed Ball Valve 16mm 1/2 Inch Tubing Shut-Off Gate Switch Hose Connectors for Agricultura Garden Pack of 10 : Patio, Lawn & Garden
![Amazon.com: 3 Way 16mm Elbow PVC Pipe Fitting Build Heavy Duty Greenhouse Frame Furniture Connectors Tent Connection (Pack of 12) : Patio, Lawn & Garden Amazon.com: 3 Way 16mm Elbow PVC Pipe Fitting Build Heavy Duty Greenhouse Frame Furniture Connectors Tent Connection (Pack of 12) : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/71cGcv8RD2L._AC_SY355_.jpg)
Amazon.com: 3 Way 16mm Elbow PVC Pipe Fitting Build Heavy Duty Greenhouse Frame Furniture Connectors Tent Connection (Pack of 12) : Patio, Lawn & Garden
![Amazon.com: ezqnirk 1PCS Pneumatic Fitting Connector Air Quick Fittings Water Push in Hose Couping,PE,16mm : Industrial & Scientific Amazon.com: ezqnirk 1PCS Pneumatic Fitting Connector Air Quick Fittings Water Push in Hose Couping,PE,16mm : Industrial & Scientific](https://m.media-amazon.com/images/I/41AedqUf9NL._AC_SX425_.jpg)
Amazon.com: ezqnirk 1PCS Pneumatic Fitting Connector Air Quick Fittings Water Push in Hose Couping,PE,16mm : Industrial & Scientific
![Amazon.com : Kammas 16MM PE Hose Repair Connectors Garden Irrigation Tee Elbow End Plug Straight Barbed Connector Watering Fittings 5PCS - (Color: B) : Patio, Lawn & Garden Amazon.com : Kammas 16MM PE Hose Repair Connectors Garden Irrigation Tee Elbow End Plug Straight Barbed Connector Watering Fittings 5PCS - (Color: B) : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/31YpgaLzF7L.jpg)
Amazon.com : Kammas 16MM PE Hose Repair Connectors Garden Irrigation Tee Elbow End Plug Straight Barbed Connector Watering Fittings 5PCS - (Color: B) : Patio, Lawn & Garden
![100pcs PE Test Tube Plug Diameter 12mm 16mm Lab Test Tubes Generic Stoppers Soft Leakproof Labware Caps, Blue/Snow and Blue: Amazon.com: Industrial & Scientific 100pcs PE Test Tube Plug Diameter 12mm 16mm Lab Test Tubes Generic Stoppers Soft Leakproof Labware Caps, Blue/Snow and Blue: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51J1zw-Q9-L._SX342_.jpg)
100pcs PE Test Tube Plug Diameter 12mm 16mm Lab Test Tubes Generic Stoppers Soft Leakproof Labware Caps, Blue/Snow and Blue: Amazon.com: Industrial & Scientific
![Caplugs Evergreen 300-2916-R20 Test Tube Stopper Caps. 16mm, Recessed top, PE-HD, Red: Amazon.com: Industrial & Scientific Caplugs Evergreen 300-2916-R20 Test Tube Stopper Caps. 16mm, Recessed top, PE-HD, Red: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71QQT6sInML._SL1000_.jpg)
Caplugs Evergreen 300-2916-R20 Test Tube Stopper Caps. 16mm, Recessed top, PE-HD, Red: Amazon.com: Industrial & Scientific
![Amazon.com: 2pcs 16mm Irrigation PE Pipe Drip Tape Ball Valve Gardening Irrigation System Joints Farm Greenhouse Bonsai Irrigator Fittings (1l2in-16 Nutlock) : Patio, Lawn & Garden Amazon.com: 2pcs 16mm Irrigation PE Pipe Drip Tape Ball Valve Gardening Irrigation System Joints Farm Greenhouse Bonsai Irrigator Fittings (1l2in-16 Nutlock) : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/41WcJq1+N8L._AC_.jpg)
Amazon.com: 2pcs 16mm Irrigation PE Pipe Drip Tape Ball Valve Gardening Irrigation System Joints Farm Greenhouse Bonsai Irrigator Fittings (1l2in-16 Nutlock) : Patio, Lawn & Garden
![Amazon.com: Kalolary 10PCS Barbed Tee 1/2 inch to 1/4 inch Irrigation Tube Anti-Drop Premiun Quality Fitting (fits 13mm ID/ 4mm ID), 16mm PE Pipe Lock Female Connector to 47 Pipe Variable Diameter Amazon.com: Kalolary 10PCS Barbed Tee 1/2 inch to 1/4 inch Irrigation Tube Anti-Drop Premiun Quality Fitting (fits 13mm ID/ 4mm ID), 16mm PE Pipe Lock Female Connector to 47 Pipe Variable Diameter](https://m.media-amazon.com/images/I/71tUyBtEBpL._AC_SL1500_.jpg)
Amazon.com: Kalolary 10PCS Barbed Tee 1/2 inch to 1/4 inch Irrigation Tube Anti-Drop Premiun Quality Fitting (fits 13mm ID/ 4mm ID), 16mm PE Pipe Lock Female Connector to 47 Pipe Variable Diameter
![Globe Scientific 116152K Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Black (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific Globe Scientific 116152K Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Black (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/91eoUl+q3XL._SY445_.jpg)
Globe Scientific 116152K Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Black (Pack of 1000): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific
![Labvida 50pcs of Plastic Test Tubes with Flex Caps, 50pcs Dia.16x125mm, PP Material and Assorted Color, Flex Cap Dia.16mm with PE Material, LVI002: Amazon.com: Industrial & Scientific Labvida 50pcs of Plastic Test Tubes with Flex Caps, 50pcs Dia.16x125mm, PP Material and Assorted Color, Flex Cap Dia.16mm with PE Material, LVI002: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/516H+CNw7xL._SL1000_.jpg)
Labvida 50pcs of Plastic Test Tubes with Flex Caps, 50pcs Dia.16x125mm, PP Material and Assorted Color, Flex Cap Dia.16mm with PE Material, LVI002: Amazon.com: Industrial & Scientific
![Globe Scientific 116152R Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Red (Pack of 2000) - - Amazon.com Globe Scientific 116152R Polyethylene Flange Plug Cap for Test Tubes, 16mm Size, Red (Pack of 2000) - - Amazon.com](https://m.media-amazon.com/images/I/71BnoLkb1PL._AC_SY550_.jpg)