Sea-Dog Rail Base Fitting Rectangular Base 30 316 Stainless Steel 1-7/8" x 3-3/16" - 1" OD [281300-1] Spreadconnect No external GPS antenna required

No external GPS antenna required

Works on windshields and wheels

Open Flow (CFM): 135 CFM

High wide CHIRP traditional sonar delivers target separation like no other

and warning threshold on the mobile device and then tapped against the LinkUp device for instant data download

Sea-Dog Rail Base Fitting Rectangular Base 30 316 Stainless Steel 1-7/8" x 3-3/16" - 1" OD [281300-1] Spreadconnect No external GPS antenna requiredRail Base Fitting Rectangular Base 30 316 Stainless Steel 1 7 8" x 3 3 16" 1" OD These Rectangular Rail Base Fittings include set screws where appropriate. Set screws can be purchased separately (299999 1). Requires 1 8" Allen wrench to install. Constructed of corrosion resistant investment cast 316 stainless steel. Installs with four FH fasteners (not included). *Stainless tubing with a wall thickness of 0. 049