Bacharach 13-7019 High Sensitivity MZF Draft Gauge does not require liquid or leveling, making it ready to use at a moment's notice. Pointer movement over scale is directly proportionate to draft magnitude at testing site. Bacharach 13-7019 has a range of +0.05 to 0 to -0.25?Ç¥ W.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
