“Wireless Spirometer Sensor -5~5L/s” has been added to your basket. Continue shopping Product Price SKU Quantity Subtotal OPTICS EXPERIMENT KIT OPTICS EXPERIMENT KIT quantity × $248.61 SKU: ESP60400 Subtotal: $248.61 Remove $248.61 ESP60400 OPTICS EXPERIMENT KIT quantity $248.61 Wireless Spirometer Sensor -5~5L/s Wireless Spirometer Sensor -5~5L/s quantity × $0.00 SKU: ESD50054 Subtotal: $0.00 Remove $0.00 ESD50054 Wireless Spirometer Sensor -5~5L/s quantity $0.00 Coupon: Clear shopping cart Update cart Basket totals Subtotal $248.61 Total $248.61 Proceed to checkout Continue shopping