Following link is for 14mm bowl (ash-catcher):https://www.amazon.com/dp/B06Y2BGZS4
Following link is for 18mm bowl (ash-catcher):https://www.amazon.com/dp/B01MYGO96C

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.6 inch
Height : 0.31 inch
Length : 5 inch

Item Weight: 1 pounds (View shipping rates and policies)
Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B01HMF6A0O