First, please put filter (B) at the bottom of drainpipe in the sink,

Then, place our products(A) in the filter (B).

Ordinarily, it doesn’t need to use shell (C) to cover filter.

Maintain:

If products (A) is dirty, please take it off and use water to clean it.

You can shake the product whise washing.

Characters of products:

1. Deodorization, Ciein secfization

2. Windproof, Soundproof