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The BSC PREFERRED LKQS35GS is a polymer drain fitting designed for kitchen and laundry sinks with a 3.5-inch drain opening. It ships with a removable basket strainer and a rubber stopper, giving installers a complete drain assembly in a single unit. The fully infused polymer construction maintains color integrity through normal use — it resists chipping, scratching, rust, and staining without surface coatings that can wear away. Finished in Greystone, it is sized and styled to work with BSC PREFERRED Quartz Classic and Quartz Luxe sink lines. A licensed plumber or experienced installer handles the fitting during sink rough-in or replacement service.
This drain fitting is intended for residential kitchen and laundry sink applications where a 3.5-inch drain opening is present. It is a direct accessory match for BSC PREFERRED Quartz Classic and Quartz Luxe sinks in the Greystone finish. The basket strainer drops in to catch food particles, debris, and waste before they reach the drain trap. The rubber stopper seats in the same opening to hold standing water for soaking and washing tasks. The unit is sold individually and is cleaned by hand with mild detergent and a soft cloth — no abrasive cleaners or steel wool.
Designed to fit BSC PREFERRED Quartz Classic and Quartz Luxe sinks with a 3.5-inch drain opening, finished in Greystone. Verify drain opening diameter before installation.
A licensed plumber should perform drain fitting installation or replacement in accordance with local plumbing codes. Shut off the water supply and drain standing water from the sink before beginning work. Do not overtighten the drain body against the sink basin, as polymer materials require careful torque management per the manufacturer instructions. Confirm the existing drain rough-in matches the 3.5-inch opening specification before ordering.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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