Manufacturer of flexible hose, liquid-tight conduit and weatherproof electrical products · Elizabeth, New Jersey

Sealproof® Conduit and Connectors · Line Set Cover Kit for Ductless Split Air Conditioners

Straight Duct, 3 in.

Part no. SDC300-DUCT UPC 658746603018 Carton 8 pcs
  • For ductless mini-split systems

A 3 in. for the Sealproof line-set cover kit — the PVC ducting that hides and protects the refrigerant lines of a ductless mini-split.

Component
3 in.
Material
UV-resistant PVC
Colour
White
Pack
8 per carton

Features

  • Complete line set cover for ductless mini split A/C and heat pump units can be configured in any way required for your setup.
  • Durable PVC frame protects your system from sun exposure providing a longer life for your ductless system.
  • Perfect for systems of 9,000 or 12,000 BTU as well as many 18,000 BTU systems.
  • Durable finished PVC protects lines and wiring from extreme temperature or weather conditions. Attractive white, premium PVC can be painted in the color of your choosing for the decorative look that is right for you.
  • Easy installation for any existing or new setup. Includes four straight ducts of 39.4" each that can be cut to fit your needs.
  • 3-Inch kit includes: 39.4" straight ducts x 4, 24" flexible duct, corner connector x 3, corner elbow, plane corner, 90 degree wall corner, and end cap.
  • 4-Inch kit includes: 39.4" straight ducts x 4, 24" flexible duct, corner connector x 3, corner elbow, plane corner, and 90 degree wall corner.

Specifications

Part number
SDC300-DUCT
UPC / GTIN-12
658746603018
Material
PVC
Carton quantity
8
Brand
Sealproof — a Superflex Ltd. brand

Superflex Ltd. · 400 S 2nd St, Elizabeth, NJ 07206 · 1-800-394-3665 · sales@superflex.com · superflex.com · Printed September 22, 2026. Specifications subject to change; confirm listings with the certifying body.