Albion Engineering 1018-G01 Ribbon Bead Nozzle for Dispensing Vapor and Air Barrier Sealants, Adjustable, 1/8" Thick x 2" to 4" Wide High Quality Plastic nozzle for applying 1/8" thick ribbons of sealant Width is 2" but can be modified easily with a utility knife to dispense at up to 4" wide (1/2" increments) Works with sausage, bulk and quart cartridge guns. Ideal for use with our B12S20 sausage gun. Designed to apply liquid air barrier sealants and flashings faster than with a trowel