Neodrain 24-Inch Brushed Brass Linear Shower Drain with Removable Quadrato Pattern Grate,Professional 304 Stainless Steel Rectangle Shower Floor Drain Manufacturer,with Leveling Feet,Hair Strainer

Q: Is there anyway I can order just replacement inserts for these without ordering the whole assembly which is ready have installed?

No because they sell only Kit's

Q: Can these linear drains be installed in the center of the shower with a slope towards the center?

ideally its not the best location for it, but it is possible. It is sturdy enough to walk on while in the shower. But in my opinion, it looks better on the side of a wall

Q: Necesito drenaje lineal de ducha de 55"

Sorry，55“ is not the standard size of our linear drain.

Q: Can this be installed in the floor of a commercial kitchen to drain any spills from the 3-comp sink?

My best guess Would be that it wouldn’t be good for a kitchen. I’m not sure if it would be strictly water that gets sent to the drain but things could get caught on the top rate and then the drain opening itself is kind of small