The NFP75 3 Inch telescoping wall sleeve is used to create a clean sealed wall penetration for the interconnecting piping and cables typically used in ductless mini-split installations. Proper use of the NFP75 Wall Sleeve along with effective maintenance will allow for a more energy efficient installation and long term cleanliness of the evaporator and blower wheel on high wall ductless installations. Telescopes from 4 to 7-1/2 Inch. If wall is thicker then 7-1/2 Inch 2 NFP75s and be joined to create custom lengths as needed.
RectorSeal® Slimduct Wall Sleeve, 3 in Duct, 7-3/4 in L, PVC, Plain, White, 180 deg F, 7 in L x 3 in W x 5 in H