RectorSeal Fortress LJ92W 3-1/2 in. Coupler for Ductless Mini Split Cover

Fortress is a precision engineered system of prefabricated PVC duct and fittings. Fortress conceals and protects exposed refrigeration line sets, electrical cable/telephone wiring and water or drain pipes. It comprises extruded PVC duct plus a full range of 16 injection molded Polypropylene fittings, all of which meet the requirements of the current UL -94V-0 specification and are suitable for temperatures from -4 to 140 degree F.|Tapered sides|Flat bottom|UV stable|Color fast|Snap together ducting is easily accessed for repairs or replacement of lineset