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.
3. Use gravity and pressure to flush the drain. This works best on a clogged tub, since you can fill the tub with gallons of water. Fill the tub with hot water. Then, open the drain and let the pressure of all that water help break up the clog.