Garmin Protective Sun Cover ECHOMAP Plus 4x. Features of Garmin Protective Sun Cover ECHOMAP Plus Protects transducer from harsh marine environments when not in use Compatible Garmin ECHOMAP Plus 4Xcv models have about a 4" display Compatible with ECHOMAP Plus 42cv ECHOMAP Plus 43cv ECHOMAP Plus 44cv and ECHOMAP Plus 45cv Weather resistant and UV resistant cover Cover Dimensions: 4" Package Contents: Garmin Protective Sun Cover ECHOMAP Plus Garmin 010-12670-00: Protective Sun Cover ECHOMAP Plus 4x