
Adjustable 83017 3 x 7 in. PVC Wall Duct Sleeve Flex Wall Sleeve 3 x 5 to 7 in
Original: $49.00
-70%$49.00
$14.70The Story
RectorSeal 83017 PVC Wall Duct Sleeve — Flexible & Durable Mini-Split Wall Penetration Solution | MRCOOL DIY Direct
Ensure a secure and reliable seal for your MRCOOL mini-split condensate drain hoses with the RectorSeal 83017 PVC Wall Duct Sleeve. Built from high-quality, UV-resistant PVC, this flexible sleeve eliminates crimping, reduces clogging, and maintains optimal condensate flow for maximum system efficiency and a clean, professional installation.
Designed to fit mini-split wall penetrations in residential and commercial HVAC systems, the telescoping sleeve adjusts from 4" to 7.5" in length with a 3" width, adapting to varied wall thicknesses while helping prevent condensation in dead airspaces. Suitable for indoor or outdoor use, it provides a reliable seal that enhances performance and protects against leaks and moisture.
Key Features & Benefits
- ✔ Secure Wall Penetration Seal — Prevents leaks and enhances condensate drainage for MRCOOL DIY installs.
- ✔ Telescoping Design — Adjustable 4"–7.5" length for flexible, precise fits.
- ✔ Smooth Condensate Flow — Eliminates crimping and reduces resistance to help prevent blockages.
- ✔ UV-Resistant PVC — Durable construction stands up to sun and weather.
- ✔ Condensation Control — Helps reduce sweating in dead airspace.
- ✔ Mini-Split Compatible — Ideal for MRCOOL condensate drain hoses and similar HVAC applications.
Technical Specifications
- Product Type: Wall Sleeve
- Length (Inches): 4" – 7.5" (Telescoping)
- Width (Inches): 3"
- Features: Telescoping, UV-Resistant, Indoor/Outdoor
- Brand: RectorSeal | MPN: 83017
- Material: PVC (Polyvinyl Chloride)
- Compatibility: Mini-Split Condensate Drain Hoses (MRCOOL DIY)
- Country of Origin: Japan
Nationwide shipping available — fast delivery across the U.S.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
RectorSeal 83017 PVC Wall Duct Sleeve — Flexible & Durable Mini-Split Wall Penetration Solution | MRCOOL DIY Direct
Ensure a secure and reliable seal for your MRCOOL mini-split condensate drain hoses with the RectorSeal 83017 PVC Wall Duct Sleeve. Built from high-quality, UV-resistant PVC, this flexible sleeve eliminates crimping, reduces clogging, and maintains optimal condensate flow for maximum system efficiency and a clean, professional installation.
Designed to fit mini-split wall penetrations in residential and commercial HVAC systems, the telescoping sleeve adjusts from 4" to 7.5" in length with a 3" width, adapting to varied wall thicknesses while helping prevent condensation in dead airspaces. Suitable for indoor or outdoor use, it provides a reliable seal that enhances performance and protects against leaks and moisture.
Key Features & Benefits
- ✔ Secure Wall Penetration Seal — Prevents leaks and enhances condensate drainage for MRCOOL DIY installs.
- ✔ Telescoping Design — Adjustable 4"–7.5" length for flexible, precise fits.
- ✔ Smooth Condensate Flow — Eliminates crimping and reduces resistance to help prevent blockages.
- ✔ UV-Resistant PVC — Durable construction stands up to sun and weather.
- ✔ Condensation Control — Helps reduce sweating in dead airspace.
- ✔ Mini-Split Compatible — Ideal for MRCOOL condensate drain hoses and similar HVAC applications.
Technical Specifications
- Product Type: Wall Sleeve
- Length (Inches): 4" – 7.5" (Telescoping)
- Width (Inches): 3"
- Features: Telescoping, UV-Resistant, Indoor/Outdoor
- Brand: RectorSeal | MPN: 83017
- Material: PVC (Polyvinyl Chloride)
- Compatibility: Mini-Split Condensate Drain Hoses (MRCOOL DIY)
- Country of Origin: Japan
Nationwide shipping available — fast delivery across the U.S.















