• Exceeds OSHA 29CFR 1910.146 Standard for Permit Required Confined Space
• Easy-to-use, elastic rimmed 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
• Made from durable materials to withstand extreme environments
• Reusable covers are easily cleaned and stored
• Available in four sizes, Small to X-Large, to fit standard man-way diameters from 20in to 39in (508mm – 991mm)

Sizes 

• Size Small fits standard 20in – 23in man-ways
• Size Medium fits standard 23in - 28in man-ways
• Size Large fits standard 28in - 32in man-ways
• Size Extra Large fits standard 32in - 39in man-ways

The Master Lock No. S201CSS Confined Space Cover features an elastic band for easy slip-on and slip-off application and a 13.7in (348mm) wide, 9.75in (248mm) high vinyl "DANGER Confined Space Enter by Permit Only" sign for clear marking of a confined space to comply with OSHA's 29CFR 1910.146 regulations for Confined Space. The cover also acts as a barrier to entry, to protect affected employees and exceed the OSHA standards.The size small cover fits a manway size of about 20in to 23in (508mm - 584mm), depending on the flange size. Made from durable materials, the cover can be easily cleaned, stored and reused while also standing up to extreme environments.