K-FLEX USA Duct Liner: 0.55 NRC, 35 ft Overall Lg, 48 in Overall Wd, 1.5 in Thick
The K-FLEX USA Duct Liner (0.55 NRC) is a sound-absorbing duct liner with a thickness of 1.5 in, overall length of 35 ft, and overall width of 48 in, rated for temperatures from -40°F to 200°F. As a K-FLEX USA…
SKU 3G-OTH-574121
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Product Description
The K-FLEX USA Duct Liner (0.55 NRC) is a sound-absorbing duct liner with a thickness of 1.5 in, overall length of 35 ft, and overall width of 48 in, rated for temperatures from -40°F to 200°F. As a K-FLEX USA product, it is designed for thermal and acoustic insulation in HVAC ductwork.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is K-FLEX USA Duct Liner used for?
K-FLEX USA Duct Liner is a sound-absorbing liner for HVAC ductwork. It reduces noise from air handling systems while providing thermal insulation. Typical applications include commercial and industrial ventilation, where acoustic comfort and energy efficiency are required.
What are the specifications of K-FLEX USA Duct Liner 0.55 NRC?
This K-FLEX USA duct liner has a 0.55 NRC, 1.5 in thickness, 35 ft overall length, and 48 in overall width. It is rated for temperatures from -40°F to 200°F. The manufacturer part number is 6RSKDG148035-48.
Where to buy K-FLEX USA Duct Liner worldwide?
3G Electric supplies K-FLEX USA duct liner to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this sound-absorbing duct liner.
How to install K-FLEX USA Duct Liner?
Install K-FLEX USA duct liner using mechanical fasteners or adhesive approved for HVAC applications. Ensure the duct surface is clean and dry. Overlap seams per manufacturer guidelines and seal edges to prevent air erosion. Always follow local building codes.
K-FLEX USA Products
3G Electric supplies K-FLEX USA sound-absorbing duct liners. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









