These replacement o rings are designed specifically for spear and jackson 5 litre chemical pressure sprayers, ensuring reliable seals and optimal performance. Essential maintenance components for keeping pressure sprayers in proper working order. Regular replacement of o rings helps maintain consistent pressure and prevents leaks that can compromise spraying efficiency. These seals are crucial for creating the airtight connections needed between the pump mechanism and spray chamber. Ideal for tradespeople and contractors who use chemical sprayers for tasks such as applying pesticides, herbicides, cleaning solutions or disinfectants. Keeping spare o rings on hand minimises downtime when seals deteriorate through regular use or chemical exposure. Features and benefits bull designed specifically for 5 litre spear and jackson chemical pressure sprayers bull complete replacement pack ensures all necessary seals are included bull maintains optimal pressure and prevents leaks bull essential for routine sprayer maintenance specifications capacity 5l