Function
Protects vertical discharge stacks from entry of rain, snow, dirt, insects, etc.

Function
Protects vertical discharge stacks from entry of rain, snow, dirt, insects, etc.

Function
Provides weather and insect-free venting of pipes to atmosphere.

Function
Protects against discharge stacks from entry of rain, snow, dirt, insects, etc.

Function
Plugging steel pipe -- Cone shape allows one size to be driven into open pipe end for protection against entry of foreign material.