NEST Four-layer PP acticarbon non-woven lab protection mask, 50/pk, 500/cs - 922101
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SKU: 922101
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$139.71
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NEST Four-layer PP acticarbon non-woven lab protection mask, 50/pk, 500/cs - 922101
PRODUCT DETAILS
NEST masks are designed to filter air entering the nose and mouth to block harmful gases, odors, droplets, viruses and other substances. They are made of nonwoven or melt-blown fabric.
Specifications
• Can filter some toxic and harmful substances, odor gases, dust, etc. in the air.
• Bendable nose clip to ensure a better fit between the mask and the face.
• Foldable, easy to store, light weight, easy to carry.
• The four-layer activated carbon protection mask is made of activated carbon fiber of high adsorption, which is more effective in filtering than the ones protection mask without activated carbon fiber.
Specifications
• Can filter some toxic and harmful substances, odor gases, dust, etc. in the air.
• Bendable nose clip to ensure a better fit between the mask and the face.
• Foldable, easy to store, light weight, easy to carry.
• The four-layer activated carbon protection mask is made of activated carbon fiber of high adsorption, which is more effective in filtering than the ones protection mask without activated carbon fiber.
FAQs
What is the difference between a surgical mask and a procedure mask?
Surgical masks have ties for a secure fit in sterile environments, while procedure masks use ear loops for quick application in non-sterile clinical settings.
What is BFE and PFE in mask ratings?
BFE (Bacterial Filtration Efficiency) and PFE (Particulate Filtration Efficiency) measure how well the mask filters sub-micron particles; 98% or higher is standard for medical use.
Do disposable masks protect against chemical vapors?
No, disposable face masks are designed for particulate and fluid resistance; chemical vapors require a respirator with a carbon-activated filter.
What does ASTM Level 3 mean for a mask?
ASTM Level 3 is the highest rating for fluid resistance, designed for procedures with high risk of fluid splash or spray.
How often should a mask be changed in a lab?
Masks should be replaced every 4 hours or immediately if they become damp, as moisture reduces the electrostatic filtration efficiency.
SHIPPING & RETURNS
SHIPPING
Our products ship directly from US-based manufacturing facilities to ensure quality and domestic speed.
- Processing Time: 2–5 business days for verification and packaging.
- Transit Time: Arrives within 5–10 business days via USPS, FedEx, or UPS.
- Tracking: Sent via email as soon as your package is dispatched.
RETURNS
We offer a 30-day return window from the date of delivery for quality issues.
- Eligibility: Returns accepted for damaged, defective, or incorrect items.
- Condition: Items must be in original packaging and unused condition.
- Exclusions: We cannot accept returns for buyer’s remorse or change of mind.
- Initiate: Contact support with photos to receive a Return Authorization (RMA).
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