211-10PKG REPLACEMENT OPTICAL CHAMBER,400/700 10PK
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211-10PKG REPLACEMENT OPTICAL CHAMBER,400/700 10PK
Replaceable Optical Chambers for ESL Smoke Detector
Compatible with ESL 300, 400, 500, 500N, 700 and TS7 series
Wifi controlled
Replaceable Optical Chambers for ESL Smoke Detector
Compatible with ESL 300, 400, 500, 500N, 700 and TS7 series
Wifi controlled