Made from the original 1930''s tooling, which allows you to easily change the membrane.
Remember don''t blow - hum...
Includes history and information.

Technical Details

Product Details

Package Dimensions
Width : 1.5 inch
Height : 1.5 inch
Length : 5.5 inch

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

ASIN : B001GTSSQM

Product Description

Made from the original 1930''s tooling, which allows you to easily change the membrane. Remember don''t blow - hum... Includes history and information.