Bonnet repair kit replace for the oe number #905-211 fit for febco #765 1/2" & 3/4" Vacuum Breakers & Backflow;

Bonnet repair kit #905-211made from durable bronze construction,helps prevent back siphoning of toxic and non-toxic liquids.
This kit includes:
1 Bonnet1 Poppet1 Lubricant gel packet
Includes a check valve and air-opening port