For those looking for a medium sized EMT first aid kit the Medical Supplies Responder First Aid Kit maybe be the right fit for your needs.
An extensive assortment of first aid kit with additional medical supplies, including a
CPR mask, blood pressure cuff and stethoscope. Bag features large main
compartment with removable divider, 2 side pockets, and an adjustable
Shipping Weight: 7.00 pounds
Dimensions: 18"L x 10.5"H x 6"D