Foam Wound Dressing with Adhesive Border 6.5" x 6.5" Central Foam: 4.1" x 4.1" Thickness 5 mm 5 per Box by Areza Medical electronics3 Patented high grade filter element

Patented high grade filter element w/built-in vacuum tight gasket seal which creates a positive seal between housing hemispheres and a new seal with each element

Diameter x Bore Diameter x Thickness x Grit Width: 78mm/Approx

Reserve-charging port: Great for phones charging on the bottom as there's a nice space for the charging cord

An installed tubular rivet has a head on one side

Foam Wound Dressing with Adhesive Border 6.5" x 6.5" Central Foam: 4.1" x 4.1" Thickness 5 mm 5 per Box by Areza Medical electronics3 Patented high grade filter elementFoam Wound Dressing with Adhesive Border 6. 5" x 6. 5" Central Foam: 4. 1" x 4. 1" Thickness 5 mm 5 per Box by Areza Medical Areza Foam Dressing with Adhesive Border 6. 5 x 6. 5 is composed of three layers: a hydrophilic polyurethane (PU) foam pad, a thin, breathable Spunlace backing, and a wider than average adhesive border. DETAILS OF STRUCTURE: 1 PU FOAM PAD: Central, hydrophilic PU foam pad of size 4. 1 x 4. 1 with 5 mm thickness. The foam pad