Statement: Quick Drain USA TM stands alone in the construction of today's showers. Our leading edge is due to our superior construction, design and functionality. Here are some of the most important advantages and differences from the conventional shower drains. Quick Drain USA TM provides high quality, attractive low profile narrow slot shower drains. Our stainless steel linear drain system can be used as a bathroom shower door drain and shower wall drain, as well as a linear pool drain and deck drain.