I have used this product for over 5 years and the pens have never let me down. Always a true flow of " ink " with no fllooding or thinning of the line. This includes two pressurised flights to New Zealand and back. i.e. testing conditions.
The price is very good and the re ordering of refills is easy and delivered quickly.
A brilliant product.
It is always a risk when buying from the internet .
In this case the product was delivered promptly, and looks to be excellently constructed. Fitting and operating instructions are clear and the pressure gauge attached helps to judge the condition of the contents. Of course I hope never to use the product but from the way the item is made I have confidence that, if there were an occasion to use it, the item would not fail. I intend to order 3 more for my house in the UK.
I am now looking if Simply Extinguishers make units for cars.
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