Underalls are odorless urethane foam pads that fit under the traps pan eliminating the need for pan covers. Dirt is not allowed under the pan to prevent from firing. Available in A, B and C size. 24 per package.
A - Fits # 1 1/2 Victor, SCM, Montgomery, Duke, Bridger, etc. round pans.
B- Fits 1.75 and #2 Victor traps or traps with similiar pan shapes.
C - Fits most rectangular pan traps.