These weatherproof enclosures offer outdoor protection from rain, sleet and snow, or indoor protection from dripping water for SL-2000 and SM-501 duct smoke detectors.Cold rolled steel construction (standard models), stainless steel construction (SE models)White painted finishDrip shield topSlip-on removable coverEmbossed mounting holes on back of enclosure3 knockouts in bottom of enclosureUL 50 type 3R / NEMA type 3RFoam gaskets for sampling/exhaust holes providedAll hardware includedSE models include vent tube kit to carry conditioned, indoor air flow into the enclosure to protect devices in Severe Environments
