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Standard sink grid strainers can be used as a point of ligature attachment by threading a string or lace through the holes of the grid. The SP-11GDK-S greatly reduces this hazard by utilizing 3/32” diameter holes, much smaller than standard grid strainers. Effective drainage is achieved with the included air vent.

Print/Download SP-11GDK-S Submittal Sheet


  • Grid Strainer:
    • LKVR18B Drain Body (304 SS) for 3-1/2” openings
    • 303 Stainless Steel Grid Strainer w/ 3/32” Dia Holes
    • Grid Strainer secured w/ vandal resistant screw
  • Other Components:
    • 1-1/2” x 4” SS flanged tailpiece w/ nylon washer and nut
    • 1-1/2” chrome plated cast brass slip joint tee
    • 1-1/2″ x 12″ chrome plated brass waste bend, 22 ga
    • 1-1/2″ x 8″ chrome plated brass flanged tail piece, 22 ga
    • Air vent with float ball check
  • Operation: Drainage flow rate exceeds 2.3 gpm with vent system
  • Installation: Grid drain fits in standard 3-1/2” sink openings. The tee has 1-1/2” slip joint connection to P-trap (not included). Requires cutting of tubular brass components to fit the air vent under the sink.