EXCLUSIVE Otter Domed Washer EPDM 12g SKU: 231771 MODEL: DOME122 Error. try again later You've successfully joined the club $ 12 .36 pack of 50 Mitre 10 MSAvailable at Mitre 10 MEGA and selected Mitre 10 stores. Variants Suitable for polycarbonate sheeting. Seals out wind and rain. Low carbon content to minimise conductivity.