StaySafe All-in-1 vs First Alert EZ Fire Spray: Which Aerosol Extinguisher Is Better?

Choose the StaySafe All-in-1 if: you want the broadest fire coverage available in a compact aerosol, need kitchen grease or lithium-ion protection, live in an apartment where residue-free matters, or want a product you can actually buy in 2026.

The EZ Fire Spray made sense when: it was widely available and you only needed basic A/B/C coverage at a lower price point. It was a solid entry-level aerosol option. However, with its discontinuation and the StaySafe offering 3.3× the fire coverage for roughly $10–15 more, the value proposition has shifted entirely.

If you already own an EZ Fire Spray with a valid manufacture date, it’s still functional for the fires it covers (A, B, C). But when it expires, we recommend replacing it with a StaySafe rather than trying to source another EZ unit.

Both the StaySafe All-in-1 and the First Alert EZ Fire Spray belong to a category of compact, single-use aerosol extinguishers designed for the fires that actually start in homes: small, fast-moving flames on a stovetop, in a wastebasket, or around an electrical outlet. Unlike a traditional pressurised cylinder, an aerosol can is discharged with one hand, requires no pin-pull or gauge check, and sprays a fine mist rather than a heavy powder cloud — which is what makes it usable by someone who has never handled an extinguisher before.

The critical difference between the two products is the chemistry inside the can and the range of fires it is certified to stop. The StaySafe formula is rated across a far wider set of fire classes, including Class K cooking-oil fires and lithium-ion battery fires — the two categories the National Fire Protection Association (NFPA) links to the fastest-growing home fire risks. The EZ Fire Spray was only ever certified for Class A, B, and C, which leaves the modern kitchen and any home full of rechargeable devices under-protected.

Residue matters more than most buyers expect. Standard ABC dry-powder extinguishers coat an entire room in a corrosive powder that can ruin electronics and is miserable to clean up. The StaySafe discharges a mist that evaporates and leaves nothing behind, while the EZ Fire Spray leaves a light biodegradable foam that still needs wiping down. In an apartment or a rented kitchen, a residue-free discharge is the difference between a minor incident and a costly clean-up. If you want to see how both stack up against full-size cylinders, our fire classes guide explains exactly which agent belongs on which fire.