Rated for continuous use flue temps up to 570 degrees F
Double wall pipe air insulated design
0.012" 430 stainless steel inner wall
0.018" galvanized steel outer wall
3" clearance from combustible material must be mamaintained
UL listed
Warning: This product can expose you to chemicals including Chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects or other reproductive harm.