Dukal Headrest Covers & Sleeves Configuration:Headrest Covers, Tissue/ Poly, 10 x 13", Non-Sterile, 500/cs (60 cs/plt) The built- in secondary filters

The built- in secondary filters reduce stray light and increase precision

documentation

sculpted design features our adjustable frequency (AFD) technology

When combined with the many advanced parameter modules within an N-Series monitor

Dukal Headrest Covers & Sleeves Configuration:Headrest Covers, Tissue/ Poly, 10 x 13", Non-Sterile, 500/cs (60 cs/plt) The built- in secondary filtersHeadrest Covers, Tissue Poly, 10 x 10", 500 cs (108 cs plt) Headrest Covers, Tissue Poly, 10 x 13", Non Sterile, 500 cs (60 cs plt) Headrest Sleeves, 11 x 9. 5" x 2", 250 bx, 4 bx cs (72 cs plt) Headrest Sleeves, 14 x 9. 5" x 2", 250 bx, 4 bx cs (72 cs plt)