INTER F-20 http://www.boatshow.com/Inter20.html

HOBIE FOX F-20 http://www.fastlanesailing.com/hobiefox.html

STORM 20 F-20 http://www.catamaran.co.uk/IF20/pics%20page.htm

ventilo 20 F-20 8.3 BEAM 385 VERSION http://www.ventilo.ch/

HOBIE 20 http://www.hobiecat.com/sailing/models_miracle20.html

NACRA 6/0 http://www.boatshow.com/Nacra6.0na.html

PRINDLE 19 http://www.boatshow.com/Prindle19.html

ARC 21 mod to 20 ft w 32 ft mast req. -
http://www.aquarius-sail.com/

MYSTERE 6/0 -8.5 beam version
http://www.boatshow.com/Mystere60.html

plus -ANY 20 ft -compliant F-20 cat