This Foam Replacement Piece is for the MVE Protective Shipping Container for MVE 4/2 and 4/2V Vapor Shippers mushrooms. The kit contains the (3) main replacement parts.
Sides: PN 21369757 One Piece Replacement Foam Insert for Sides of 4/2V vapor tanks - this is one piece
Top: Part Number 21369755/FOAM 1.7# POLYETHYLENE TOP WJ, 0.5"THK X 6"OD - this is one piece
Bottom: PN 21476224/FOAM 1.7# POLYETHYLENE BOT WJ, 1"THK X 6.25"R if you need replacement pieces for the bottom.
Total of six interlocking pieces.....use (4) for the 4/3V and (6) for the 4/3V