FKM Upgrade O-rings for XYL Unicorn

Set of 3 O-rings for the XYL Unicorn blaster. These O-rings are made from a more wear-resistant FKM (Fluorine Rubber) material. The 2 smaller O-rings fit on the front of the pusher, while the big O-ring fits on the back of the pusher. These O-rings have the same dimensions as the original, but made from a more wear-resistant material.