Radnor 64003917 111 B-Size Female Inlet To B-Size Male Outlets Right Hand Threaded Brass Valved Oxygen ''Y'' Connector (1 PER CASE) Respiratory Easy to inflate and deflate

Easy to inflate and deflate

Combination filter cartridges feature a low profile with curved top that will not catch on pipes or other objects

zippered storage pouch to easily and securely transport personal items

Aluminized leather forefinger and thumb patches provide extra protection in heavy-wear areas

Radnor 64003917 111 B-Size Female Inlet To B-Size Male Outlets Right Hand Threaded Brass Valved Oxygen ''Y'' Connector (1 PER CASE) Respiratory Easy to inflate and deflateAll Radnor fittings are manufactured to CGA standards. In addition to CGA numbers, many popular fittings commonly are refered to as A size, B size, C size and D size. These letter designations are included in the product discriptions.