Felidae is the family of cats. A member of this family is also called a felid. Living cats belong to the subfamilies 1  : Pantherinae â including tiger, lion, jaguar, leopard, snow leopard and clouded leopard.elidae is the family of cats. A member of this family is also called a felid. Living cats belong to the subfamilies 1  : Pantherinae â including tiger, lion, jaguar, leopard, snow leopard and clouded leopard.
Bathtub drain rough-in. The standard bathtub/shower combination will require an 1-1/2 drain and p-trap installed to your local plumbing code. The drain must be graded(sloped) at a minimum of 1/4 per foot and must be vented. This can be done in one of two ways, by wet venting the trap arm fixture drain or by individually venting the bathtub.
Using Chemical Drain Cleaners. 1  1. Buy a chemical drain cleaner from the store. 2  2. Read the instructions on the back of the cleaner. 3  3. Remove any standing water from the bathtub.  4. Pour the required amount of cleaner into the bathtub 1  drain. 5. Wait for results.  6. Flush the drain with cold water.