Narrow Slot, 4"W x 4"H x 6.5'L, with cover. #SG100100, GRAY, (8 bars) 16 mt / 52.49 ft

Narrow Slot, 5"W x 1.5"H x 6.5'L, with cover. #SG12040, GRAY, (12 bars) 24 mt / 78.74 ft

Narrow Slot, 5"W x 2"H x 6.5'L, with cover. #SG12060, GRAY, (10 bars) 20 mt / 65.62 ft

Narrow Slot, 5"W x 3"H x 6.5'L, with cover. #SG12080, GRAY, (8 bars) 16 mt / 52.49 ft