The 9in (228.6mm) Perforated Plateis for use with theASTM 9in Sand & Gravel Permeameterand the9in Constant / Falling Head Sand & Gravel Permeameter. Perforated Plates placed at each end of soil permeability specimens prevent deformation and allow flow of permeants. Made of durable PVC plastic with0.20in (5.08mm) thickness and3/16in (4.8mm) perforations. Two Perforated Plates are included.

Features:

• Constructed of durable PVC plastic
• Allows permeants to flow freely while preventing loss of soil
• 3/16in (4.8mm) perforations in 0.20in (5.08mm) thick plates

Included Items:

• 9in Perforated Plate (set of two)

Related Products:

Karol-Warner 38061P, 6in Perforated Plate