Testo parts 0563 4170 Flow Funnel Kit for low flow mesurements for Testo 417. Testo 0563 4170 Funnel kit consisting of 2 flow funnel for disc valves (8" x 8") and funnel for disc valve exhaust vent ventilator (12" x 12").
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 www.P65Warnings.ca.gov.