Large Display Timer AIR FILTER BOXES The stability indicator and HOLD

The stability indicator and HOLD function lets the user know when to take readings and freezes the reading on display for easy and accurate recording

Prep the new filter

Well Made & Solid Construction: This light is designed to produce no fan noise

Powder coated

magnet-mounted

Large Display Timer AIR FILTER BOXES The stability indicator and HOLDFeatures the largest display available on a timer: 3 x 2 1 2". Can be easily read from across a room. Simultaneously displays either one count up channel and a clock, or two count down channels. All channels have a range of 24 hours with 1 second resolution. Also indicates how much time has elapsed after a count down alarm sounds and conveniently recalls the last timer setting for reuse. White case has extra large start stop button and a loud alarm.