Mix & Match Premium Perc Designs Glass Downstem Reducing 19mm / 18mm to 14mm

Pyrex Glass on Glass Downstem 14 x 14 for 14mm Female Tubes - 2.5 - 6" Cut Diffy

Pyrex Glass on Glass Downstem 18/18 for 18mm Female Tubes - 2.5 - 6" Cut Diffy

Classic Cut Glass on Glass Downstem 14.4mm x 14.4mm 2" - 6" Free Shipping to USA

18mm-14mm Glass Downstem Premium Perc 3” 4” 5” Inch Multiple Types Mix & Match

Pyrex Glass Downstem 18/14 Low Profile for 18mm Female Tubes - 2 - 7" Cut Diffy

Classic Cut Glass on Glass Downstem 18.8mm x 18.8mm 3" - 6" Free Shipping to USA

14mm Glass Downstem Premium Perc 3” 4” 5” 6” Inch Clear Bowl 19mm To 14mm