Your Shopping Cart Continue shopping “The Marine Guardian – Guardian Device w/Global 2G-3G-4G LTE Cellular & 2-Way Iridium Satellite Messaging” has been added to your cart. Continue shopping “The Marine Guardian High Water Sensor” has been added to your cart. Item Your Options Quantity Price Tecnoseal Zinc Split Collar Anode f/SD20, SD25, SD30, SD31, SD40, SD50 & SD60 Yanmar Saildrives Tecnoseal Zinc Split Collar Anode f/SD20, SD25, SD30, SD31, SD40, SD50 & SD60 Yanmar Saildrives quantity $43.65 × The Marine Guardian - Guardian Device w/Global 2G-3G-4G LTE Cellular & 2-Way Iridium Satellite Messaging The Marine Guardian - Guardian Device w/Global 2G-3G-4G LTE Cellular & 2-Way Iridium Satellite Messaging quantity $1,495.00 × The Marine Guardian High Water Sensor The Marine Guardian High Water Sensor quantity $99.00 × Coupon: Apply coupon Update cart Continue Shopping Cart totals Subtotal $1,637.65 Sales Tax $98.26 Total $1,735.91 Proceed to checkout