There is some homework for you; let us know what you find out. If it does not affect electrical equipment like dry powder and foam does and if the air is safe for us them it should be suitable. I could not find a data sheet only the video, I took the images while waiting for a car pint colour to be mixed on Boxing day.
These are the brief details I read.
StaySafe 5-in-1 Technical Data
Technical Data Sheet
This document is prepared by LIfeSafe Technologies and is a formal technical document for the StaySafe 5 in 1 fire extinguisher
Date 10/02/2021
Product Overview
StaySafe is a lightweight, robust, easy to use plastic fire extinguisher that can be used at any angle with no reduction in flowrate or performance. It is Non-Toxic, Non-Hazardous and is environmentally friendly.
StaySafe needs no maintenance or servicing Shelf life of 3 years
StaySafe has passed a Di-Electric test to 35KVa, ensuring it is safe to be used on live electrical equipment/installations up to 1000v from 1 metre.
Technical summary
335ml PET bottle with PET BOV
(Pressurised with compressed gas)
Example 2020 artwork Design LifeSafe Technologies
Performance of the product
StaySafe 5in1 extinguisher Extinguishes 5 types of initial fire
Electrical fires up to 1000V
Paper
Textiles
Cooking Oil
Petrol/Diesel
Customer Instructions as stated on the pack
Customer Warnings as stated on the pack
Shelf test and drop tests comply with BS5597
Passed the ADD testing (Aerosol Dispenser Directive) 100% Pass
The tests as prescribed in FEA (Plastic aerosol dispenser Standard) draft standard X8-647 were performed with 15% and 40% headspace of compressed air using a maximum Hydraulic Test Pressure of 15 bar.
MSDS Summary - Safety Data for Fluid FER1000 v3
PBT: This product is not identified as a PBT/vPvB substance.
(PBT/vPvB assessments under the previous EU chemicals legislation The TC NES sub-group on identification of PBT and vPvB substances assessed suspected PBTs (persistent, bio accumulative and toxic) and vPvBs (very persistent and very bio accumulative) under the previous EU chemicals legislation.)
Classification under CLP: (Classification for Labelling and Packaging)
This product has no classification under CLP.