This kit can be used either for a mortar bed installation or GURU Heavy Duty Presloped Shower Pan 4 slopes. Adaptor ring included with different preset heights for a mortar bed installation from 3/4” to 2” thickness. It also works as an adaptor for the most common body drains on the market with a perforated pattern holes. Horizontal shower drain adjustment allowing 1/4” movement. The most advanced drain body sealant connection. Product developed according to IAPMO PS106.