3M 4251 Half Mask Respirator

The comfortable and lightweight 3M 4251 half mask offers A1 P2 protection against particulate hazards and organic vapours, whilst requiring no additional parts or maintenance. Suitable for work involving paints, solvents and adhesives.
Availability: In stock

3M 4251 Half Mask A1 P2

The disposable 3M 4251 half mask is suitable when working with adhesive, paints, solvents, resins and varnishes. This product offers protection from particulates and organic vapours, and utilises twin inhalation valves and parabolic valves to reduce heat build-up and breathing resistance. In addition, the single-piece integral construction makes for an easy to use maintenance-free product.

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Christmas-New Year Dispatch Dates:

  • 21st December midday cut off.

Any orders placed after this date will be processed.

  • 28th December midday cut off.
  • 29th December midday cut off.
  • Next dispatch date: 2nd January 2024.
    • Whilst standard delivery is stated as 1-3 days we are currently delivering over 99% of orders the next business day as a standard service if placed before 2.30 pm.

Delivery Options:

  • Standard Delivery: (1-3 business days) (£ 5.75 - £ 6.20)
  • Next Business Day Delivery: (Order Must be placed before 2 pm) (£ 9.50 ex vat)
  • Next Day Working Day Delivery Pre 12 delivery (Order Must be placed before 2 pm): £ 11.50 ex vat
  • Next Working Day Delivery Pre 10.30 delivery (Order Must be placed before 2 pm): £ 13.95 ex vat
  • Weekend Delivery Options:
  • Saturday Delivery: (Order Must be placed before 12 pm) £ 22.50 ex vat


  • The free delivery over £ 75 net is only available for UK mainland.
  • Deliveries to Islands and highlands are a 2-3 day delivery option only & charged at £ 16 ex vat.