Ocean Reef Iron Mask The Iron mask is a Chem Haz mask. There is nothing sweet and cuddly about this bad boy. Made to be used in the worst environments possible, this IDM can manage a high percentage of Hydrocarbons in any water environment. Regulator cover in marine-use Anodized Anticorodal®, light weight resistant, durable aluminum. Reg adjustment knob, internal screw, in AISI 316 stainless steel. AISI 316 stainless steel frame and buckles. Sensitive reg adjustment knob, sturdy and easy to grab even wearing thick gloves. NBR rubber made head strap, designed to be resistant to hydrocarbons exposure. 1090 g total mask weight (2.40 lb.). Heavily reduced positive buoyancy, 172 g (0.40 lb.).
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