IK HC TR1 Replacement Spray Head is for the IK HC TR 1 Sprayer This replacement spray head won't let you down with its ergonomic trigger sprayer and adjustable spray nozzle. Solvent-based pesticides, alcohols, oils, solvents (such as tar and glue remover & brake cleaner), and petroleum by products are recommended to use with this sprayer. However, it is partially resistant to alkalis and ketones (Chemical Product Table). For your convenience, this spray head is sold as a 5 pack so you always have one on-hand ready to go! Product Cleaning & Maintenance: Do not use metallic objects if nozzle becomes blocked, clean thoroughly with water On the occasion that filter becomes blocked, remove it and clean with water Avoid freezing temperatures and extreme heat To keep in working order, apply grease to moving parts of spray head regularly