| 5" DuraFlex Spacer - 5DFS-S |
 Use to maintain a 1” clearance with flex sections of DuraLiner and DuraFlex SS. Not for use with Ventinox flex. Installation Instructions Chimney Relining Best Practices Click here for 6 key steps when relining a chimney. Chimney Relining For Gas Appliances Click here for Home Safety when relining chimneys for gas appliances. Weight (lbs) 9.00 Brand DuraFlex AL; DuraVent; Model 5DFS-S Diameter 5 Inch Wall Construction Single Wall Price: 52.64 |