PROGUARD Corrosive & Acid Storage Cabinets Model:C114 Helper that faster working cycle Size:22.0mm Helper that faster working cycle Continuity: Buzzer sounds at less than 10Ω to 120Ω of Shelves Trays C101 4 gal 22 x 17 x 17 1 manual 1 2 C111 4 gal 22 x 17 x 17 1 self closing 1 2 C102 12 gal 35 x 24 x 18 1 manual 1 2 C112 12 gal 35 x 24 x 18 1 self closing 1 2 C103 16 gal 44 x 24 x 18 1 manual 1 2 C113 16 gal 44 x 24 x 18 1 self closing 1 2 C104 30 gal 44 x 43 x 18 2 manual 1 2 C114 30 gal 44 x 43 x 18 2 self closing 1 2 C105 45 gal 65 x 43 x 18 2 manual 2 3 C115 45 gal 65 x 43 x 18 2 self closing 2 3 C106 60 gal 65 x 34 x 34 2 manual 2 3 C116 60 gal 65 x 34 x 34 2 self closing 2 3 These cabinets are equipped with removable corrosive resistant polypropylene trays to contain spills