Duct Inline Reducer 4-7.87" Plastic Duct Adapter Increaser Connector

What is this?
Duct Inline reducer used to connect pipes of different sizes, mainly used in kitchen range hoods, air conditioners, dryers, basement parking lot vents, etc.

What will I get?
The duct reducer, we provide here, are in the size of:
Material: PP
Color: White
Connector Hole Diameter: 100 - 200mm / 4 - 7.87 Inch
In the package of: 1 Pack x duct inline reducer

Are there any advantages of the product?
1. Through this duct connector, the pipes of different sizes are connected together to realize the flow of air between
2. Duct Adapter made of PP material, oil resistant, and high temperature resistant, durable, and can be used for a long time

How to use it?
1.Please ensure the diameter of the two smoke pipes before installation.
2.Trim off any unused connectors and retain the necessary ones.
3.Attach each smoke pipe to the respective size position on the reducer ring.
4.Apply aluminum foil tape to seal the interface, then use a clamp to secure it and tighten the clamp with a screwdriver. Installation is complete.

What should  I notice?
All size above is measured by manual, please allow +/-0.1 inch error.