Listing Description Push-in Flange Protector/Full face flange protectorPlastic Flange ProtectorItem No.: MST 109Material: LDPEDetailed Description Push-in Flange Protector/Full face flange protector Full face flange cover Plastic Flange Protector Plastic Flange Cover Item No.: MST 109 Material: Low density polyethylene Colors: Blue and yellow or other colors Pressure rating: Class150-1500 Size: 3/8"-20" Standards: ISO, GB, API/ANSI, DIN, JIS, BS, NF Function: Flange Protectors are used to protect flange faces from damage during storage, shipping and handling. If you need some plastic protectors, welcome to contact us for free. Maisitong Plastic Industry Co., Ltd.