Originally Posted by W4MBG
do them all. more flexibility with venting that way. and no worries about forgetting which one you left open in the rain.
btw, old avatar pic. all vents covered now.
x2. Had to replace all three vent covers summer before last due to sun damage we get here in the southwest.
Stan, Shirley & 2 Schnauzers (Sandy & Sassy)
RV: 2014 Itasca Sunstar 35F
USAF, Retired, Life Member: VSPA, DVA, VVA, VFW