Our office will be closed Monday 5/29/23 in honor of Memorial Day. Orders made this day will be processed 5/30/23.
Note: This is a "Special Order" product that cannot be exchanged and is non-returnable
The Honeywell Formaldehyde Tubes have a standard range of 0.1 - 5 ppmv for a single stroke using the Honeywell Piston Hand Pump. There is not an extended range available. Sold in boxes of 10 tubes.