Synthetic O-ring and piston cup hold up against the harshest chemicals, even D-limonene. Less fatigue, up to 40% greater output per stroke significantly reduces the number of times you pull the trigger and a high output with an extra large spray pattern. Long lasting, outer body protects piston assembly from damage during use and storage. Applications – Harsh chemicals, D-limonene, automotive, car wash, auto detail, carpet spot cleaning, general use. Dip Tube Length: 9.25″. Fits our quart bottles!