Mortise Neoprene Bottom - 430

Sound Rated Neoprene - 320

Mortise Double Nylon Brush Bottom - 943

Double Nylon Brush Bottom - 933

Completely Concealed Mortise Vinyl Bottom - 372

Sound and Air Infiltration Rated Neoprene - 330

Mortise Neoprene or Lead Bottom - 370

Sound and Air Infiltration Rated Neoprene - 521