PROVA PAN-MULTI EXTENSION KIT is designed to be used in conjunction with PROVA PAN-MULTI to create large square or rectangular shower bases.

• PROVA PAN-MULTI EXTENSION KIT® can be used to extend a shower base to any desired size
• One (1) kit can extend shower base up to 84” (213cm) x 84” (213cm) or any size in between
• Use multiple kits to achieve your shower design of choice!
• Pan and extensions comprised of lightweight expanded polystyrene
• 48” x 12” (122m x 30.5cm)
• 8 extensions per box