Type: Solar Water Heater Parts ISO9001 certification Brand Name: Jiushun Model Number: 58 mm Style: dust proof loop Products feature1,made of 100% silicone material 2,nontoxic, odorless, non-corrosive ,antioxidative3,Each product have good quality and a long service life. Product attributesNameDust proof loopFull specifications20,25,32,47,58,70mmProduct size Inner diameter 58mm Outside diameter72 ...