Navionics+ Preloaded Chart of All USA/Canada -Marine & Lakes- microSD Bug Remover just place your tank(s) on

just place your tank(s) on to the rack and tighten down the tee bracket to the top of the tanks with the wing nut

Frequency & Channels:Dual independent CHIRP channels from 25 to 250kHz

Compatibility: Suburban DSI (Direct Spark Ignition) Water Heater

250 Inch (Outside Dimension)

Bracket Dimensions: 24 1/4" W x 5 1/4" H x 6" D

Navionics+ Preloaded Chart of All USA/Canada -Marine & Lakes- microSD Bug Remover just place your tank(s) onNavionics+ NAV+NI: Preprogrammed with All US & Canada Marine & Lakes Marine and lake charts One foot contours inshore and nearshore 21,000 lakes and growing Daily updates and advanced features for one year Boat safer and fish smarter. Max detailed cartography for marine and lakes that is updated daily, makes Navionics+ the perfect choice for cruising and fishing. Get Nautical Chart, the most accurate navigational data; SonarChart, an exclusive 1 ft HD