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Overview

With 0.41/0.53 gal/min pure water flow rate, the filtration system fills you cup in just seconds while maintaining a highly efficient 2:1 pure-to-drain ratio to reduce waste. It features advanced 8-stage filtration, including 2 PP fiberfill layers, 2 activated carbon layers, scale inhibitor membrane and RO membrane layer. The post-activated carbon layer with Alkaline filter media enhances mineral content for better taste.

Costway 600/800 GPD Tankless Under-Sink RO System with 8-Stage Filtration & Smart LED Faucet Black + White-600/800 GPD

Model: HCST12774
Web Code: 19862295
Sold and shipped by | 3.7 seller rating (5,195 reviews)

Colour: White-800 GPD

Colour White-600 GPD
Colour White-600 GPD

White-600 GPD

Colour White-800 GPD
Colour White-800 GPD

White-800 GPD

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Enjoy on orders from this seller.

Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Feature

0.0001µm RO membrane removes 99% harmful impurities such as arsenic, chromium, nitrate, barium and more

8-stage filtration for thorough purification with 2 purified water to 1 drain water

Alkaline filter enhances water taste and adds healthy minerals

High 600/800 GPD flow rate provides water quickly and efficiently

Compact tankless design saves 70% under-sink cabinet space

Smart LED faucet shows real-time TDS and filter status

Easy twist-and-pull filter replacement completed in seconds

Automatic flushing extends filter lifespan and system performance

Operation panel with indicators for better user experience

Clearly marked ports for easy connection of water inlet and outlet hoses

Specification

Color: Black + White

Material: ABS

Overall Dimensions: 15” x 5.5” x 15.5” (L x W x H)

Net Weight: 23/22.5 lbs

Rated Voltage: 100-240V

Rated Power: 110W/85W

Flow Rate: 800/600 GPD

Pure Water Flow Rate: 0.53/0.41 gal/min

Rated Total Pure Water Volume: 1057 Gallon

Inlet Water Pressure: 0.1-0.4 MPa

Cord Length: 5 ft

Package Includes:

1 x Under Sink Water Filter Machine

1 x RO Cartridge

1 x PCT Cartridge

1 x Power Adapter

1 x Feed Water Adapter

1 x 3/8” PE Pipe

1 x 1/4” PE Pipe

1 x Wrench

1 x Drain Saddle

1 x Smart Screen Faucet

1 x User Manual

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
See our return policy to find specific return information for this product and steps on how to return by mail.