SK-77-K INABA DENKO trunking flat elbow 90° (Black)

The INABA DENKO SK-77-K (Black RAL9011) 90° flat elbow is a premium-quality fitting designed as part of the SLIMDUCT SD trunking system, which is engineered to conceal and protect air-conditioning and heat pump piping installations. Specifically developed for residential and light commercial use, the SK-77-K 90° elbow enables a precise 90-degree directional change in horizontal trunking runs, ensuring a clean and professional installation even in compact or visually sensitive spaces.
Manufactured from high-grade UV-resistant PVC, stylish black colour, this fitting ensures long-lasting durability, weather resistance, and protection against environmental factors, including sun exposure, moisture, and pests. Its sleek and compact profile enhances the aesthetic appearance of the system, making it suitable for modern interiors and exterior façades alike. SLIMDUCT Black, Brown, and Anthracite grey come with a protective film to eliminate the possibility of visible scratches until the last moment the job is completed.

Key Features:
Perfect 90° horizontal bend for trunking direction changes.
Compatible with SLIMDUCT SD straight ducts (sizes SD-77).
UV and weather resistant – ideal for both indoor and outdoor use.
Protective film on darker colors prevents scratches until installation is completed.
Secure screw-fastening mechanism ensures the elbow stays attached even in exterior applications.
Smooth internal curve allows for efficient airflow and proper routing of insulated pipes.