Soviet EO-16-IV-78-10 B435 Gas Mask Filter – 4¼" x 7", 1960s+ (No Lid)

This Soviet EO-16-IV-78-10 B435 gas mask filter is a Cold War-era canister issued from the 1960s through the 1990s, commonly referred to as the “coffee can” filter due to its cylindrical shape. Measuring approximately 4¼ inches in diameter and 7 inches in height, it features 40mm GOST threading and was used with masks like the ShM-41, ShMS, and MM-1. This particular unit is missing its screw-top lid, but retains its historical markings and rugged steel construction, making it a solid addition to any Warsaw Pact NBC gear collection.

Features:
- Authentic Soviet military surplus filter
- Model: EO-16-IV-78-10 B435
- Dimensions: approx. 4¼" D x 7" H
- 40mm GOST thread; compatible with ShM-41, ShMS, MM-1 masks
- Issued from 1960s onward; Cold War-era production
- Missing screw-top lid; sold as-is for display
- Cyrillic markings and date codes may be present
- Not safe for use; may contain asbestos—for collectible purposes only