ChemTrap filters the air from a safety/acid cabinet's internal chamber, captures and retains toxic fumes, and returns clean air back to the laboratory. Designed as a standalone system with no need for ducting, it is equipped with an adjustable pipe that accommodates connection points from the side or back of your existing cabinet. Compatible with a wide range of safety cabinet brands: Asecos, Duperthal, etc. Ext: 390 x 570 x 267 Ext: 15 1/3’’ x 22 1/2’’x 10 1/2’’