BLACKHORSE-RACING 2.5'' OD（63mm） 40 Inch Length Straight Exhaust Pipe,T304 Stainless Steel,Universal Fitment - 1PC 2015 the thickness of the silicone

the thickness of the silicone hose should be between 4mm and 5mm

Silicone Coating not required

Professional Installer is Highly Recommended (No Instruction Included)

Blade and wiring can be reversed to make the fan an air pusher

you can make a railing for your garden

BLACKHORSE-RACING 2.5'' OD（63mm） 40 Inch Length Straight Exhaust Pipe,T304 Stainless Steel,Universal Fitment - 1PC 2015 the thickness of the siliconeMaterial: high quality T 304 stainless steel Specification: Outer Diameter: 2. 5 inches, Length: 40 inches, thickness: 16 Gauge (1. 2mm) Advantage: Excellent corrosion resistance, oxidation resistance, long service life. Applications: Universal fit for exhaust system or industrial materials,great for DIY project. Includes: 1 straight exhaust pipe