Does this canister contain carbon monoxide or some form of substitute?

I read on the product's label: "SleepSafe Test Gas contains a controlled amount of Carbon Monoxide in helium, sufficient to test CO Detectors ..."

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Arctic Hayes PHCO520 SleepSafe Carbon Monoxide Alarm Tester Spray 400 ml, Blue

Product ID: 55107522

Details

Brand
Arctic Hayes
Colour
Blue
Compatible devices
Carbon Alarm
Global Trade Identification Number
Item weight
0.1 Kilograms
Manufacturer
Arctic Hayes

🔄Up to 7 reliable tests

🔥Fire Brigade recommended

🧴400ml aerosol can

113.38 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

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Description

🛡️ Stay one step ahead—test your safety, own your peace of mind!

COMPACT PORTABLE - Lightweight 0.1 kg design fits seamlessly into any toolkit or safety kit.
TRUSTED BY EXPERTS - Endorsed by the Fire Brigade for regular, reliable sensor testing.
MAXIMIZE HOME SECURITY - Regular testing prevents silent dangers—stay ahead and protect what matters.
EFFORTLESS SAFETY CHECKS - Simple spray application ensures your CO alarms are always battle-ready.
MULTI DEVICE COMPATIBILITY - Perfectly pairs with SleepSafe alarms and flue gas analysers for versatile use.

The Arctic Hayes PHCO520 SleepSafe Carbon Monoxide Alarm Tester Spray is a 400ml aerosol designed for quick, effective testing of carbon monoxide sensors, delivering up to 7 tests per can. Recommended by the Fire Brigade, it ensures your alarms and flue gas analysers function flawlessly, safeguarding your home or workplace with ease and reliability.

Specifications

ASIN	B071D7XKTD
Best Sellers Rank	21,003 in DIY & Tools ( See Top 100 in DIY & Tools ) 53 in Carbon Monoxide Detectors 470 in Home Security Systems
Brand	Arctic Hayes
Colour	Blue
Compatible Devices	Carbon Monoxide Alarm
Compatible devices	Carbon Monoxide Alarm
Country of Origin	United Kingdom
Customer Reviews	4.0 out of 5 stars 114 Reviews
Global Trade Identification Number	05012804500247
Included Components	1 x Arctic Hayes SleepSafe Carbon Monoxide Alarm Tester Spray 400 ml
Item Type Name	1 x Arctic Hayes SleepSafe Carbon Monoxide Alarm Tester Spray 400 ml
Item Weight	0.1 Kilograms
Item weight	0.1 Kilograms
Manufacturer	Arctic Hayes
Manufacturer Warranty Description	No guarantee.
Model Number	PHCO520
Number of Items	1
Part Number	ARCPHCO520
Product Style	Compact
Sensor Type	Carbon Monoxide Sensor
Sensor type	Carbon Monoxide Sensor
Style	Compact
Unit Count	1.0 count

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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113.38 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

View all Trustpilot reviews