Ampelite Dome Washers 25mm Pack of 100 Grey SKU: 198405 MODEL: PKSL22 Error. try again later You've successfully joined the club $ 21 .67 pack of 100 Available on orders $50 to $1500. More info × Mitre 10 MSAvailable at Mitre 10 MEGA and selected Mitre 10 stores. Variants Seals for use with Solasafe roofing products. Features and benefits 22mm grey dome seal.