3M 8511 -Particulate Respirator Select:Box of 10 Weight:3oz per square foot (

Weight:3oz  per square foot ( 900gram )

Accepts all Sundstrom filters and compressed air attachments

Mold surfaces should be free of other parting agents

Gelcoat is a highly durable coating and is the outermost structural layer on a fiberglass part

ultra clear

3M 8511 -Particulate Respirator Select:Box of 10 Weight:3oz per square foot (Particulate Respirator 3M 8511 NIOSH approved for at least 95 percent filtration efficiency against certain non oil based particles 3M Cool Flow Exhalation Valve reduces heat build up inside the respirator Adjustable M noseclip reduces potential for eyewear fogging Braided headbands two strap design with dual point attachment helps provide a secure seal 3M Cool Flow Exhalation Valve reduces heat build up inside the respirator Spacious and durable