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Description
Highline Classic Comfort Height 2-piece 1.28 GPF Single Flush Elongated Toilet in Black Black, Seat Not IncludedWith its clean, simple design and efficient performance, this Highline water conserving toilet combines both style and function. An innovative 1. 28 gal. flush setting provides significant water savings of up to 16,500 gal. per year, compared to an old 3. 5 gal. toilet, without sacrificing performance. The elongated seat and chair like height ensure comfortable use. Two piece toilet Elongated bowl offers added room and comfort Comfort height feature
With its clean, simple design and efficient performance, this Highline water-conserving toilet combines both style and function. An innovative 1.28-gal. flush setting provides significant water savings of up to 16,500 gal. per year, compared to an old 3.5-gal. toilet, without sacrificing performance. The elongated seat and chair-like height ensure comfortable use.- Two-piece toilet
- Elongated bowl offers added room and comfort
- Comfort height feature offers chair-height seating that makes sitting down and standing up easier for most adults
- 1.28 gal. per flush
- Seat not included
- Combination consists of the K-4373 bowl and the K-4436 tank
- WaterSense
Features
| Item Weight | 93 |
| Trip Lever Location | Left Front |
| Material | Vitreous China |
| Flushing Technology | Gravity Fed |
| Style | Modern |
| Product Weight (lb.) | 93 |
| Gallons Per Flush | 1.28 |
| Toilet Type | Two-Piece |
| Commercial / Residential | Residential |
| Returnable | 180-Day |
| Trapway Diameter (in.) | 2.125 |
| Color/Finish | Black Black |
| Included | Bolts |
| Seat Front Type | No Seat Included |
| Color Family | Black |
| Rough In Size | 10 inch Rough In |
| Flushing Type | Single Flush |
| MaP Performance Rating | 1000 |
| Handle Location | Left |
| Bowl/Seat Shape | Elongated |
| Bowl Height | Chair Height |
| Features | No Additional Features |
| Mount Location | Floor Mount |
| Product Height (in.) | 30.375 |
| Bowl Height without Seat (in.) | 16.5 |
| Product Depth (in.) | 29.5 |
| Flush Valve Size (in.) | 3.25 |
| Product Width (in.) | 19.625 |
| Manufacturer Warranty | 1-Year Limited Warranty |
| Certifications and Listings | ADA Compliant |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Best replacement filter
Size: 9.6" x 11.1" x 2.2"
Great quality replacement for factory filter, fits snug, very easy installation, and the performance is on par.
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Best air flow
Size: 9.6" x 11.1" x 2.2"
I have a 2022 ram 1500 four-door. The factory filter from the ram dealer is about $40 but it’s not reusable. That was the only one I found that had good airflow into the cabin. I tried several other brands but the airflow was reduced excessively. The ram filter was 15 mph, most of the other aftermarkets dropped the airflow to about 9 mph. I just installed a K&N reusable filter and the airflow is back up to 15 mph. Great job K&N!!
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Fits Well and Reusable. I'm Happy.
Size: 9.6" x 11.1" x 2.2", Size: 9.6" x 11.1" x 2.2"
For less than the price of 2 disposable FRAM CV11671 cabin filters for my 2019 RAM 1500 and this will last forever. If it gets wet, like I've had happen with the paper throw-away filters due to stuff falling off trees in the spring and clogging cowl area water drains and backing up into filter ( yeah, that's a thing ) and can clean and dry this filter and reuse. Great directions came in the box along with a sticker to point out that this is a lifetime filter so someone doesn't throw it away. Do this yourself. Don't let some auto repair shop talk you into it. I was getting tires balanced recently and heard a quote they gave over the phone of $79 to do this. I don't know what kind of vehicle that was for but this ain't rocket science. Don't get ripped off. Now back to this filter. There is no arrow for air flow so I figure it flows well both ways and just put it in with the K and N logo right side up and facing out. It's not a straight in shot the way RAM positioned the opening for the cabin filter slot but was no big deal. Also realize this isn't a perfect square filter ...It's a rectangle so don't try to shove the fat end in and say it doesn't fit. I haven't noticed any air flow differences with the heating / ac system but some people say they do. I'm just happy I don't have to buy anymore disposable filters and can dry this if it gets wet. The cleaning and refresh spray kit is #99-6000 that comes with a 8oz and 12oz bottle and I'm trying to find that cheaper somewhere for when I do clean this thing.
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Reviewed in the United States on November 20, 2025
★★★★★ 5
Can’t go wrong with K&N
Size: 9.6" x 11.1" x 2.2"
So I recently took my pickup in to have some recall work done, half way through the process I got a call from the dealership stating I needed a new air filter and that a new one would cost nearly $60. I chuckled and told then to put the old one back in and I immediately came to Amazon and ordered this cabin filter. I’ve used K&N products in the past and have never been sorry, and that is the case with this lifetime filter. Upon installing this filter I noticed an IMMEDIATE difference in air flow into the cabin, it even smelled better. If this filter ever gets dirty Ira easy to clean and reinstall, paying for itself over time. Do yourself a favor and pick one of these up, you will not be sorry.
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Reviewed in the United States on October 20, 2025
★★★★★ 5
Perfect fit
Size: 9.6" x 11.1" x 2.2"
Perfect fit on my 2022 jeep wagoner
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Reviewed in the United States on May 20, 2026