Lazarus Long on X: "This is the MSA Advantage 290 - no exhaust valve, and tres cool. Modeled by Dana - and he included where he bought it: https://t.co/D9FSvEKiPj Additional tip -
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MSA 10217165 Advantage 290 LS - The world's first elastomeric half-mask respirator without an exhalation valve to be approved by NIOSH, Small | International Safety
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MSA 10217166 Advantage 290 LS - The world's first elastomeric half-mask respirator without an exhalation valve to be approved by NIOSH, Medium | International Safety
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Amazon.com: MSA 815696 Advantage 200 LS Series Half-Mask Respirator - Size: Small, 2-Piece Neckstrap, Twin-Port, Reusable Gas Mask, MSA Advantage Cartridge Compatible : Tools & Home Improvement
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Amazon.com: MSA 10218529 Advantage 900 Elastomeric Half-Mask Respirator - Cost Effective Replacement for Disposable Respirators, Filters Exhaled Breath, Rear Clasp and Drop-Down Head Harness - Size: Medium : Tools & Home Improvement
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Amazon.com: MSA 815696 Advantage 200 LS Series Half-Mask Respirator - Size: Small, 2-Piece Neckstrap, Twin-Port, Reusable Gas Mask, MSA Advantage Cartridge Compatible : Tools & Home Improvement
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MSA 805408 Advantage 1000 Series Full-Facepiece Respirators - Size: Medium, Hycar, Twin-Port, Reusable Gas Mask, Without Filters, MSA Advantage Cartridge Compatible: Papr Safety Respirators: Amazon.com: Tools & Home Improvement
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