DuraVent® Increaser, Size: 3 x 4 in, 4-5/16 in L

• Used to transition the vent system to a larger diameter

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/DuraVent_2PPS_TPL_Instruction_Installation_Manual.pdf
• Line Drawing https://assets.unilogcorp.com/267/ITEM/DOC/DuraVent_2PPS_X3L_Line_Drawing.pdf
• Warranty Information https://assets.unilogcorp.com/267/ITEM/DOC/DuraVent_2PPS_TPL_Warranty_Information.pdf