The Tetra T4 is Crowcon's personal protection solution for alerting against the four most prevalent gas hazards including oxygen depletion, carbon monoxide, hydrogen sulphide and flammable gases.

It has a positive safety indicator which has a 'traffic light' indicator to tell the user whether the monitor is safe to use or not. A green light = working safely and a red light = attention required.

The T4 also includes a unique feature called TWA (Time Weighted Average) which ensures the gas exposure is calculated accurately over an entire shift, even if the gas monitor is switched off for a break or moved to another site.

Standard delivery within 5 working days from £4.95 plus VAT - Monday to Friday (local delivery- please contact your nearest branch)

Next Day UK delivery - Monday to Friday (order by 3pm for delivery following day where in stock) from £9.95 plus VAT

Next/named day UK delivery pre-12 - Monday to Friday (order by 3pm for delivery following day where in stock) from £14.95 plus VAT

Next/named day UK delivery pre-10 - Monday to Friday (order by 3pm for delivery following day where in stock) from £24.95 plus VAT

International delivery available - contact us for details

We sincerley hope you will be pleased with your purchase, but should you need to return an item we always advise that you contact us by phone or email to see what we can do to help. The following terms apply to end user sales only (not business to business) :-

• Where goods are faulty then we will arrange collection of the goods for replacement or refund. If you return them to us by any other method (unless agreed in writing by us) we may not be liable for the return costs.
• We are happy to refund or exchange any ... Read More

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