Inlets & Catch Basins

Monarch Products manufactures precast boxes to any size required.

Penn DOT inlet boxes and tops are poured on a daily basis.

All inlets are designed and manufactured to meet or exceed industry standards.

Many options are available to our customers, including:

  • Riser sections available from 2" to 48"
  • Polyproplyene steps in boxes
  • Custom wall and slab thickness
  • Butyl Rubber for joint seals
  • SNOUT® oil-water-debris seperators

Our complete product catalogs and brochures are available upon request.  We also offer CAD drawings of our products.


Inlets & Catch Basins PDF
PENNDOT TYPE C CONCRETE INLET TOP
PENNDOT TYPE M CONCRETE INLET TOP
PENNDOT TYPE S CONCRETE INLET TOP
SLANT CURB CONCRETE INLET TOP
ROLLED CURB CONCRETE INLET TOP
PRECAST INLET BOX 24" X 45" FOR PENNDOT INLET TOP
PRECAST INLET BOX 38" X 45" FOR PENNDOT INLET TOP
2' X 6' TYPE C INLET TOP
2' X 6' TYPE M INLET TOP
PRECAST INLET BOX 2' X 6'
PRECAST INLET BOX 48" X 48" FOR PENNDOT INLET TOPS
12" X 12" CATCH BASIN
12" X 18" CATCH BASIN
24" X 24" CATCH BASIN
26" X 26" CATCH BASIN
24" X 48" CATCH BASIN