20 Pack 1" PVC Couplings Adapter Pipe Fittings, Furniture Build Grade SCH40 (Socket x Socket) 1 Inch Slip Socket Connectors for DIY Shelf Garden Support Structure, White

【Apply To】Coupling for connecting two straight pipe sections with the same inner diameter of 1", ideal for center connections. 【Material】20 pcs Heavy Duty 1 Inch PVC Coupling made of high-quality PVC, high-impact strength, resistant to frost and corrosion, long service life. intended for systems that will not exceed 140° F. 【Easy Installation】They are non-toxic, lightweight and easy to install. Installation requires the use of primer and solvent cement. 【Wide Application】Furniture-Grade Parts, suitable for indoor and outdoor use; Pressure Fittings are used in irrigation, underground sprinkler systems, swim pools, outdoor applications and cold water supply lines, etc. 【Use with Confidence】Meets ASTM D2466 and D1784 standards, comply with NSF requirements.