Lids & Grates

Series B1 Regular Lid

For Series B1 distribution boxes, drop boxes, drain sumps, and risers. Dimensions: 11" x 11"

• Part #B1‑RL Regular Solid Lid for Series B1 Boxes, 11"x11"

Series B1 Inspection Port Lid

For Series B1 distribution boxes, drop boxes, drain sumps, and risers. Dimensions: 11" x 11" with 4" round opening

• Part #B1‑IP4 Solid Lid with 4" Inspection Port Hole for Series B1 Boxes, 11"x11"

Series B1 Drain Grates

For Series B1 distribution boxes, drop boxes, drain sumps, and risers. Dimensions: 11" x 11"

• Part #B1‑DG Drain Grate, black, for Series B1 Boxes, 11"x11"
• Part #B1‑DGG Drain Grate, green, for Series B1 Boxes, 11"x11"

Series B2 Regular Lid

For Series B2 distribution boxes and drain sumps. Dimensions: 9" x 14"

• Part #B2‑RL Regular Solid Lid for Series B2 Boxes, 9"x14"

Series B2 Inspection Port Lid

For Series B2 distribution boxes and drain sumps. Dimensions: 9" x 14" with 4" round opening

• Part #B2‑IP4 Solid Lid with 4" Inspection Port Hole for Series B2 Boxes, 9"x14"

Series B2 Drain Grates

For Series B2 distribution boxes and drain sumps. Dimensions: 9" x 14"

• Part #B2‑DG Drain Grate, black, for Series B2 Boxes, 9"x14"
• Part #B2‑DGG Drain Grate, green, for Series B2 Boxes, 9"x14"

Series B3 Inspection Port Lid

For Series B3 distribution boxes. When inspection port membrane is removed, lid accepts Tuf‑Tite 12" riser system components (use a utility knife to remove the membrane). Dimensions: 15" x 22" with optional 12" round opening

• Part #B3‑RL‑IP Solid/Inspection Port Lid for Series B3 Boxes, 15"x22"

B3‑RL‑IP Inspection Port Lid DRAWING

Series B4 Inspection Port Lid

For Series B4 distribution boxes, drain sump, and B4‑RISER. When inspection port membrane is removed, lid accepts Tuf‑Tite 12" riser system components (use a utility knife to remove the membrane). Dimensions: 16" x 16" with optional 12" round opening

• Part #B4‑RL‑IP Solid/Inspection Port Lid for Series B4 Boxes, 16"x16"

B4‑RL‑IP Inspection Port Lid DRAWING

Series B4 Drain Grate

For Series B4 distribution boxes, drain sumps, and B4‑RISER. Dimensions 16" x 16"

• Part #B4‑DG Drain Grate, black, for Series B4 Boxes, 16"x16"