Blow and Off Ansul 2 Rubber Systems Hood for 5PCS Caps Tools & Home Improvement High Speed Woodworking Drill Bits and . Don't be nervous when the fire comes to inspect your kitchen. Keep your nozzles with a set of new rubber blow off caps and keep your hood system in good condition. Keeping the fire suppression hood system in your kitchen in good working condition is . Over time, the rubber blow off caps for the nozzles get in and grime and need to be replaced. 5x protective cap Material: Silicone No special tools are required for installation. Simply pull the old cap off, slide the ring around the nozzle and the cap onto the end of the nozzle. Color: as shown