Metalbest Direct-Temp 4" x 6-5/8" Direct Vent Restriction Disk

4" x 6-5/8" Direct Vent Restriction Disk from Direct-Temp

This 4 x 6-5/8" restriction disk should only be used in accordance with appliance manufacture's instructions. See appliance manual for details.

Direct-Temp system features stainless steel inner and heavy duty galvanized steel outer walls. Heavy duty centering brackets keep inner pipe centered and chamfered edges allow for easy slide-together assembly. The free-floating inner liner allows the pipe to expand and contract under high temperature, without creating gaps or stress points. The LockTab(r) is a unique design that allows for 360° rotation while securely locking the sections of pipe together with just a push of the tab.

Features:

• Siliconozed fiberglass seal
• LockTab security
• Pipe rotates easily to align system components
• No sealant required
• High efficiency performance

• Joint/Connection Overlap: 1-5/8"
• Joint/Connection Type: Twist-Lock standard on all diameters

• Outer Wall: Heavy duty galvanized steel
• Inner Wall: 304 Stainless Steel