Contour Foaming Trigger Sprayer With A 10-Inch Tube Features A Patented Anti-Backoff System That Will Not Loosen When Used With Contour Bottles. Wide Trigger And Ergonomic Shape Are Designed For User Comfort, Making It Easy To Use Over Extended Periods. With A 28/400 Millimeter Neck Finish And A 1.3 Milliliter Output, This Sprayer Provides Reliable Performance.