These alternate items can be purchased instead of HMHB21U.
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Similar items are close alternatives to HMHB21U, though they may not be 100% alike.

Optimyzer® Watertight High Bay and Low Bay End Mount Pir Sensor, Single Relay Wi...
  • MFR Part #: HBSXT13
  • Manufacturer: Hubbell Wiring Devices
  • Find: Similar Items
  • Pkg Sizes: 1 Each ($ -) ·
HBSXT13 - Hubbell Wiring Devices

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