Vintage/antique canister, possibly a filter canister for a gas mask or respirator, with "PROSPHIDE ZINC" visible on the label. <br>This canister likely contained zinc phosphide, a chemical compound used as a rodenticide or in some industrial applications. <br>From an earlier era, possibly related to military or industrial safety equipment, or even a household product for pest control. <br>Measures approximately 4 inches <br>See photos for signs of wear
| Category | Vintage & collectibles > Antique |
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