Plastic mullion clip t
A home owner from Suffolk, Va says:
September 23, 2014
Looking for plastic clip to hold wooden mullion manufactured by Webb Mfg in early 70's for use with Anderson Narrowline double hung window. Clip has 5/8 inner width; height is 3/8
Paul from SWISCO responded:
September 24, 2014
How about our 55-184 grid clip? Could this be what you're looking for?