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Master Lock® Confined Space Cover - Ventilated, Lockable (010170)
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Master Lock® Confined Space Cover - Ventilated, Lockable

Ventilated, lockable cover keeps out debris and deters unauthorized entry to confined space. Read more.

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  • Exceeds OSHA 29CFR 1910.146 Standard for Permit Required Confined Space
  • Easy-to-use, lockable cover slips over flange of confined space for quick application to deter unauthorized entry
  • Provides OSHA required signage to warn affected workers of confined space hazards
  • Keeps unwanted materials from entering the confined space including litter, debris and pests
  • Mesh material provides ventilation to allow for airflow
  • Test port hole allows for air testing without the need to remove cover
  • Made from durable materials to withstand extreme environments
  • Reusable covers are easily cleaned and stored
  • Secure with a different lock than your lockout tagout padlocks (Master Lock® recommends using a security lock such as the Master Lock® Weather Tough® Padlock)
  • 1-1/2" wide straps include 25 grommets on each side to adjust fit before locking cover in place
  • Available in 2 sizes:
    • Medium (fits 23"-28" man-ways)
    • Large (fits 28"-32" man-ways)
NOTE: Confined Space Covers are not available for shipment outside North America.

Volume Pricing

Volume Pricing
Product Code Description 1 - 5 6 - 11 12 - 23
Higher quantities available. Pricing reflected in shopping cart or call 1-877-564-2333 to order.
Medium (fits 23"-28" man-ways)
Large (fits 28"-32" man-ways)


Product Code Description Manufacturer Name Size UPC Manufacturer Item Number Material Weight
Medium (fits 23"-28" man-ways)
Master Lock®
Silicone coated fiberglass (cover), UV coated vinyl (sign)
2.40 lbs.
Large (fits 28"-32" man-ways)
Master Lock®
Silicone coated fiberglass (cover), UV coated vinyl (sign)
2.67 lbs.

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