Standard By:Underwriters Laboratories , 01/21/2011
Published:01/21/2011
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UL Subject 1738:2011
Original price was: $256.79.$128.00Current price is: $128.00.
Standard for Venting Systems for Gas-Burning Appliances, Categories II, III, and IV (CSDS Proposal, 1/21/2011)
Underwriters Laboratories , 01/21/2011
