Original Worthy Strainer
Model WP-200
Gasket attached with screws.
U.S. Patent 2,641,365
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Improved Economy
Now called the: WM-4
Gasket affixed between inner and outer rings.

Economy
Model RE-216
Bottom screen replaced with solid aluminum.

The Pot Strainer
Model WM-5-PS Pot Strainer.

For pots 5 gal and larger.