Hi all! This is my mk4 gsr, mace in 1939, along with the filter dated 1938. I've written the history of the mask down in the comments : r/gasmasks
GSR (general service respirator) spare canister filter British Army - Walk This Way
Hf138 Motorcycle Oil Grid Filter For Suzuki Gsr600 Gsr-600 Gsr 600 K6 K7 K8 K9 L0 B Yoshimura 2006-2010 Moto Cleaner Filters - Oil Filters - AliExpress
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British GSR General Service Respirator, Scott NBC CBRN, Gas Mask
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FM12 with Scott GSR filter via adapter : r/gasmasks
PS-1004 K&N Pro Series Oil Filter for Mitsubishi Cordia GSR AA, AB, AC Turbo 2.0 | eBay
GSR RESPIRATOR (GAS MASK) FILTER (SEALED IN PAIRS) NBC - 1922127
MKIV GSR with Type E MkV. The date of the filter, September 1939, is interesting as I didn't think they were making MkV filters this early. Some info in comments. : r/gasmasks
Amazon.com: Suzuki GSR 400 06-09 Chrome Micro-Glass Premium Oil Filter by Niche Cycle Supply : Automotive
British Army GSR Respirator & Filters Military Gas Mask - Size 3 [JH07 – Pools Surplus Stores
K&N Air Filters GSR 750 GSR 600 Suzuki Replacement Air Filter | eBay
For Suzuki GSR750 L1 L6 (ABS) 2011 2012 2013 2014 2016 GSR 750 Z L5,L6 (ABS) 2015 2016 HF138 Oil Grid Filter Cleaner Filters|oil filter|filter cleanerfilter oil - AliExpress
GB brit. 1 Paar Schutzmaskenfilter Filter für Gasmaske gas mask GSR
GSR | Gas Mask and Respirator Wiki | Fandom
British Army GSR Gas Mask Filters NEW
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Full-face mask - GSR - SCOTT SAFETY EMEA - double filter
Examples of double-sided frequency filters for the GSR channels 183.31... | Download Scientific Diagram
