Free US shipping on orders $199 or more.* Learn more here.
Note: This is a "Special Order" product that cannot be exchanged and is non-returnable
The Honeywell Sulfur Dioxide Tubes have a standard range of 2 - 30 ppmv for a single stroke using the Honeywell Piston Hand Pump and an extended range of 1 - 60 ppmv for additional strokes. Sold in boxes of 10 tubes.