Philips Compatible Heartstart MRX Defibrillator Recording Chart Paper. 1-Channel, 23 x 75mm Chemical/Thermal Paper (Red Grid - 65mm). In stock. $269.Replacement: Philips: 989803138171.Philips Compatible Defibrillator Paper - PH-989803138171SKU: PH-989803138171$269.00PriceQuantityAdd to CartBuy Now