Whirlwind FP-2BB
Floor Pocket - backbox for FP-2, 4" deep
Whirlwind
Floor Pocket - backbox, for FP-2, 6" deep
Floor Pocket - backbox for FP-1, 4" deep
Floor Pocket - backbox for FP-3, 6" deep
Floor Pocket - 14" x 8" x 2.6"
Floor Pocket - 10.1" x 9.5" x 4.4"