Purity Pool Pro-Lite, Heavy Duty Standard 18 Inch Net P/N: PLSTD 18" wide, 18" deep (standard net 16" deep) Heavy duty, thick aluminum frame and plastic rim. Replaceable Leading Edge keeps the tool in top working order Purity released the Pro-Lite series in the 80's in response to increased demand for an even longer lasting, heavy duty net. The Pro-Lite builds on the strengths of the original Ultra-Lite, but with a thicker, stronger frame and rim and more replacement part options.