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Expanding foam with plastic straw applicator,what a mess—sticky foam all over everything+half-used cans that end up in trash. Applicator guns have an adjustment screw that allows fine-tune flow rate. Coupled with long nozzle+trigger valve, gives much more control over foam so don’t end up wasting it-overfilling. Plus you can leave can foam on gun for about month+still use it. You only clean gun if you remove can. you simply screw can foam gun cleaner (about $6) onto gun+dispense it through…

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