1" Float and Bonnet Complete Repair Kit fit for Apollo PVB 4A 4ALF, 4A 005 07 4A00507 Complete Top Half Repair Kit, Backflow Preventer Rebuild Kit, Pressure Vacuum Breaker Valve Parts Replacement bee This universal adapter size fits 99 inches 203mm 2M This universal adapter size fits the Pediatric Universal F Circuit This carbon dioxide meter will accurately read the carbon dioxide levels anywhere and also help assess the amount of ventilation in any indoor space such as a restaurant or gym Bonnet O ring 5 10 minutes (DIY Friendly) Features: Top quality corrosion resistant material Freeze protection with built in relief valve Quick and easy installation Prevents back siphonage and leakage Use this high durability repair kit to extend the life of your irrigation or lawn sprinkler systems and avoid costly full replacements