Marpac Pediatric Tracheostomy Collars How to Fit The entire line of Marpac tracheostomy collars strives to combine ease and comfort. Correct fit and patient comfort are assured with the adjustable Velcro™ sides and soft foam neck piece. The Perfect Fit line is no exception. The illustration below shows how simple the securement of tracheostomy tubes can be with Marpac products.
Fitting for 105 pediatric	Fitting for 100 pediatric, 101 medium, 102 large and 103 infant