Type: Solar Water Heater Parts Brand Name: Jiushun Style: dust proof loop ISO 9001 certification various colors/sizes Products feature1,professional factory 2,made of 100% silicone material 3,nontoxic, odorless, non-corrosive ,antioxidative4,Each product have good quality and a long service life. Product attributesNameDust proof loopFull specifications20,25,32,47,58,70mmProduct size Inner ...