.wd-product-overview-item-wide-title { color: var(–111111, #111); font-family: Montserrat; font-size: 48px; font-style: normal; font-weight: 600; line-height: 125%; /* 40px */ text-transform: capitalize; margin-bottom: 40px; } .overview-box .wd-product-overview-item-wide-title { margin: 0 auto 40px; } .wd-product-overview-item-wide-title { font-size: 40px; } @media screen and (max-width: 1280px) { .overview-box .wd-product-overview-item-wide-title { margin: 80px auto 40px; font-size: 32px; } } @media screen and (max-width: 767px) { .overview-box .wd-product-overview-item-wide-title { font-size: 24px; margin: 40px auto 24px; } } .wd-pure-to-drain-rate-box { position: relative; display: inline; cursor: pointer; } .wd-pure-to-drain-rate-hover { width: 14px; } .wd-pure-to-drain-rate { text-align: left; width: 375px; height: 145px; position: absolute; top: -153px; left: -13px; display: none; background: white; color: #000000; font-size: 14px; line-height: 21px; font-weight: 400; padding: 20px; box-sizing: border-box; border-radius: 5px; box-shadow: 0 0 2px 1px rgb(241, 239, 239); } .wd-pure-to-drain-rate-box:hover .wd-pure-to-drain-rate { display: block; } .wd-pure-to-drain-rate-three { position: absolute; width: 0px; height: 0px; border-width: 10px; border-style: solid; border-color: rgb(240, 240, 240) transparent transparent transparent; top: 145px; left: 10px; } .wd-pure-to-drain-rate-three-bottom { position: absolute; width: 0px; height: 0px; border-width: 10px; border-style: solid; border-color: rgb(255, 255, 255) transparent transparent transparent; top: 144px; left: 10px; } @media screen and (max-width: 1024px) { .wd-pure-to-drain-rate { width: 350px; height: 125px; top: -135px; left: -13px; font-size: 14px; line-height: 20px; padding: 13px; } .wd-pure-to-drain-rate-three { border-width: 10px; border-color: rgb(240, 240, 240) transparent transparent transparent; top: 126px; left: 10px; } .wd-pure-to-drain-rate-three-bottom { border-width: 10px; border-color: rgb(255, 255, 255) transparent transparent transparent; top: 125px; left: 10px; } } @media screen and (max-width: 768px) { .wd-pure-to-drain-rate { width: 350px; height: 125px; top: -135px; left: -13px; font-size: 14px; line-height: 20px; padding: 13px; } .wd-pure-to-drain-rate-three { border-width: 10px; border-color: rgb(240, 240, 240) transparent transparent transparent; top: 126px; left: 10px; } .wd-pure-to-drain-rate-three-bottom { border-width: 10px; border-color: rgb(255, 255, 255) transparent transparent transparent; top: 125px; left: 10px; } } @media screen and (max-width: 470px) { .wd-pure-to-drain-rate { width: 350px; height: 125px; top: -135px; left: -80px; font-size: 14px; line-height: 20px; padding: 13px; } .wd-pure-to-drain-rate-three { border-width: 10px; border-color: rgb(240, 240, 240) transparent transparent transparent; top: 126px; left: 77px; } .wd-pure-to-drain-rate-three-bottom { border-width: 10px; border-color: rgb(255, 255, 255) transparent transparent transparent; top: 125px; left: 77px; } } @media screen and (max-width: 425px) { .wd-pure-to-drain-rate { width: 332px; height: 117px; top: -126px; left: -80px; font-size: 14px; line-height: 20px; padding: 7px; } .wd-pure-to-drain-rate-three { border-width: 10px; border-color: rgb(240, 240, 240) transparent transparent transparent; top: 117px; left: 76px; } .wd-pure-to-drain-rate-three-bottom { border-width: 10px; border-color: rgb(255, 255, 255) transparent transparent transparent; top: 116px; left: 76px; } } @media screen and (max-width: 375px) { .wd-pure-to-drain-rate { width: 276px; height: 117px; top: -126px; left: -80px; font-size: 14px; line-height: 17px; padding: 7px; } .wd-pure-to-drain-rate-three { border-width: 10px; border-color: rgb(240, 240, 240) transparent transparent transparent; top: 117px; left: 76px; } .wd-pure-to-drain-rate-three-bottom { border-width: 10px; border-color: rgb(255, 255, 255) transparent transparent transparent; top: 116px; left: 76px; } } .wd-product-background-swiper-video-mobile { display: none; } .wd-product-background-swiper-video-pc { display: block; } video { border-radius: 16px; } .overview-item-wide-swiper { position: relative; z-index: 0; display: flex; flex-direction: column; } .overview-item-wide-swiper-menu { width: 100%; } .overview-item-wide-swiper-menu::-webkit-scrollbar { display: none; } .overview-item-wide-swiper-menu-items { width: auto; display: flex; column-gap: 20px; justify-content: center; padding-bottom: 24px; } .overview-item-wide-swiper-menu-item { font-family: “Poppins-Regular”; font-weight: 400; font-size: 15px; line-height: 150%; color: #999999; position: relative; z-index: 1; cursor: pointer; padding: 15px; height: 48px; } .overview-item-wide-swiper-menu-item-active { color: #fff; background-color: #111111; border-radius: 48px; } .wd-product-swiper-button-next, .wd-product-swiper-button-prev { position: absolute; top: 50%; transform: translateY(-50%); z-index: 1; } .wd-product-a1-swiper-button-next, .wd-product-a1-swiper-button-prev { position: absolute; top: 50%; transform: translateY(-50%); z-index: 1; } .wd-product-a1-swiper-button-next { right: 28px; } .wd-product-a1-swiper-button-prev { left: 28px; } .wd-product-swiper-button-normal { top: 50% !important; transform: translateY(-50%) !important; } .wd-product-swiper-button-next { right: 28px; } .wd-product-swiper-button-prev { left: 28px; } .swiper-box { position: relative; } .wd-product-compare-add-to-cart { width: 110px; display: flex; align-items: center; justify-content: center; height: 30px; color: #fff; font-family: Poppins; font-size: 12px; font-style: normal; font-weight: 400; line-height: 18px; background-color: #00549c; border-radius: 30px; margin-top: 12px; margin: 0 auto; cursor: pointer; } #compares .trustpilot-widget { max-width: 176px; margin: 0 auto; } @media screen and (max-width: 1150px) { .overview-item-wide-swiper-menu-items { column-gap: 0; } .overview-item-wide-swiper-menu-item { padding: 12px; } } @media screen and (max-width: 1024px) { .overview-item-wide-swiper { flex-direction: column-reverse; } .overview-item-wide-swiper-menu-items { flex-direction: column; row-gap: 10px; align-items: center; } .overview-item-wide-swiper-menu-item { width: calc(100% – 100px); text-align: center; } .overview-item-wide-swiper-menu { padding: 20px; } .wd-product-swiper-button-next { right: calc(5.33% + 30px); } .wd-product-swiper-button-prev { left: calc(5.33% + 30px); } .wd-product-a1-swiper-button-next { right: calc(5.33% + 30px); } .wd-product-a1-swiper-button-prev { left: calc(5.33% + 30px); } } @media screen and (max-width: 768px) { .wd-product-background-swiper-video-mobile { display: block; } .wd-product-background-swiper-video-pc { display: none; } .wd-product-swiper-button-next svg, .wd-product-swiper-button-prev svg { width: 17px; display: block; height: 26px; } .wd-product-swiper-button-next { right: 16px; } .wd-product-swiper-button-prev { left: 16px; } .wd-product-a1-swiper-button-next { right: 16px; } .wd-product-a1-swiper-button-prev { left: 16px; } .overview-item-wide-swiper { flex-direction: column-reverse; } .overview-item-wide-swiper-menu { top: 0.66vw; } .overview-item-wide-swiper-menu-item { font-size: 13px; display: flex; align-items: center; justify-content: center; width: 100%; border-radius: 60px; border: 1px solid #999; } .overview-item-wide-swiper-menu-item-active { border: 1px solid #111; } } .overview-box { padding-top: 0; }
Model number
K19-SFK
Certification
NSF/ANSI 53 & 58 & 42
Pure to drain
3:1
Size(L*W*H)
13.8 * 7.9 * 16.3
Fliter Cartridges
WD-K19RF-FK
Filter Lifespan
12 Months
Feed Water Temperature
13.8" *7.9”*16.3"
Daily Production Rate
75 GPD
Feed Water Requirement
Municipal Tap Water
Power
34W
Dispenser Voltage
100-240V
Rated Frequency
50/60 Hz
Feed Water TDS Level
TDS < 500
Warranty
1 Year
Does this countertop RO water system need to be drilled?
Is this water filter big? I have limited countertop space.
What is the mineralization function?
Does this purifier waste a lot of water?
How often do I need to change the filters?
Can this RO system improve my water quality?











![]() K19-SFK Countertop Remineralization RO System
Add to Cart | ![]() K19-S Countertop RO System
Add to Cart | ![]() K19-H Instant Hot Countertop RO System
Add to Cart | ![]() A1 Countertop RO System
Add to Cart | |
Price | $319.00 | $309.00 | $349.00 | $649.00 |
---|---|---|---|---|
Daily Production Rate | 75 GPD | 75 GPD | 75 GPD | 100 GPD |
Pure to Drain Rate![]() Drain ratio stands for the ratio of wastewater and purified water dispensed by a RO system. For example, the 3:1 drain ratio means it uses up a gallon of wastewater for every 3 gallons of pure water you get. | ![]() | ![]() | ![]() | ![]() |
Display | Filter lifespan & TDS & Water volume | Filter lifespan & TDS & Water volume | Filter lifespan & TDS & Water volume & Water temperature | Filter lifespan & TDS & Water volume & Water temperature |
Water Capacity Options | 4 | 4 | 5 | 5 |
Water Tank Capacity | 170 Oz | 170 Oz | 170 Oz | 204 Oz |
Self-clean | √ | √ | √ | √ |
Electricity Required | √ | √ | √ | √ |
Need Installation | × | × | × | × |
Filter Cartridges | K19-RF-FK | K19-RF | K19-RF | A1-CF |
Filter Lifespan | 12 Mths | 12 Mths | 12 Mths | CF-6 Mths RO-12 Mths |
Dimensions (inch) | 13.8″ * 7.9″ * 16.3″ | 15.51″ * 9.2″ * 17.56″ | 15.51″ * 9.2″ * 17.56″ | 17.1″ * 7.0″ * 15.5″ |

- Provides up to 12 months or 1,100 gallons of clean water.
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