The Model 330 is a non-leaking trigger sprayer, engineered not to leak if bottle tips over. 3.4 mL per stroke reduces the number of times you pull the trigger - that's up to 4x greater output than standard trigger sprayers. Large three finger trigger for less fatigue and a rugged design for a long, useful life. 28/400 mm thread finish. 9 1/2" tube length. 1 each