Product Reviews

Moldex 7407 Single Ammonia Methylamine Cartridge Review — Single vs Pair for Agricultural and Amine Work

Is the Moldex 7407 single ammonia cartridge worth buying — or is the 7400 pair always the better value? Short answer: If you work ammonia or methylamine hazards regularly, the 7400 pair wins on economics — two cartridges for approximately...

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June 10, 2026 Steven Eaton

Moldex 7400 Ammonia/Methylamine Cartridge Review — Honest Buyer's Guide for Ammonia Hazard Environments

Is the Moldex 7400 the right ammonia cartridge for refrigeration, wastewater, or livestock work? Short answer: yes — if you need verified protection specifically against ammonia vapor (NH₃) or methylamine vapor (CH₃NH₂) on a Moldex respirator platform. The Moldex 7400...

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