From Eastprops.com :d

Clippard Industries Modular Valves-

Model R-501: $21.81
Model R-701: $24.93

Clippard Industries Brass Fittings-

Model 11752-1: $1.19 (5 per bag)
Model 15090-1: $1.88 (4 per bag)

Paypal and MO's are accepted. E-mail jordan@eastprops.com if interested. Pictures are available at the following links:

http://www.eastprops.com/images/clippards.jpg