V-traps are designed to make P-traps obsolete. The unique valve design of the V-traps makes them virtually trouble free. They are self-priming; you never have to add water to make them work. A ...
The Family Handyman on MSN
Everything you need to know about P-traps
Curious about P-traps, how they function and what to look for when you buy one? Here's what you need to know.
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