Casper Replacement Lungs 100 Pk by Nasco Healthcare $42.95 100-5001 Casper Replacement Lungs 100 Pk / 100-5001 / Cart Title Casper Replacement Lungs 100 Pk Product ID 100-5001 CheckoutType Cart Add to cart CasPeR Replacement Lungs 100 Pk. Size: 14" x 9" x 5". Ship weight 2.25 lbs.