Yeah, my land rovers had the little brass screw in breathers, but you removed them and put 'tails' in wth the tubes and run them up the bodywork for wading.

The breathers for the Morgan salisbury are literally just a drilled hole!

1972 4/4 4 seater, 1981 MGB GT
1984 Harley Davidson Electra Glide, 1990 Kawasaki ZX10