They are non-PVC and non-DEHP and have a rotating male Luer lock adapter

Wafer Size: 5" x 5"

Maintains proper consistency

Locking ring prevents rattling

Oral-nasal transfer cannula included facilitating guidewire transfer from the oral to nasal route

Shiley 6CFN Tracheostomy Tube, Cuffless Fenestrated, Size 6 Contact Layers They are non-PVC and non-DEHPMallinckrodt Medical Inc Shiley Fenestrated Reusable Cannula Cuffless Tracheostomy Tube 6 Size 76mm L, 6 2 5mm I. D. x 10 4 5mm O. D., Designed for General Pulmonary HygieneShiley Reusable Cannula Cuffless Fenestrated Tracheostomy Tubes (CFN) is designed for pulmonary hygiene and when used in conjunction with the Decannulation Plug (DCP), directs breathing through the upper airway. The fenestrated inner cannula with integral 15mm twist lock connector