You’ve removed your hot tub filter and noticed it’s grimier than usual.
After soaking it like normal, the filter media is starting to fall apart.
There’s no way this filter is going to do its job anymore, and you’re destined for a life of dirty hot tub water if you don’t do something fast.
It’s time for a hot tub filter replacement.
The filter is arguably the most important part of your hot tub, and keeping it functioning properly is crucial to the whole spa system. When you make sure to keep up with your hot tub replacement filters, you are taking a huge step toward ensuring the lifespan of your hot tub.
However, when shopping for replacement hot tub filters, you might feel a little overwhelmed by all the different options available. You might not know for sure which one is best for your needs, and you might have no idea where to start looking.
That’s what this article is here for. Below, you’ll find a list of the top 14 best hot tub replacement filter cartridges to make shopping easier than ever for you. You’ll be able to choose the perfect one for your specific spa model, and in no time, you’ll be able to replace that worn out old filter with a new, clean cartridge instead.
Read on to learn all about the best filter replacements on the market today and see for yourself which one can do the best job for you.
SPOILER ALERT... Here are our FAVORITE PICKS:
Last update on 2019-06-18 at 23:45 Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
When you notice your current hot tub filter isn’t working the way it should, you might be tempted to just remove it and not bother with purchasing a replacement. If you’re considering this, you might want to take a step back and think about just how important a hot tub filter really is to the functionality of the entire spa system. Familiarize yourself with the details below before you get started searching for the perfect replacement filter.
Below are fourteen of the best replacement hot tub filters on the market today. Depending on the type of hot tub you have, you might find the perfect new filter among these excellent products. Remember that, while many types of hot tub filters are interchangeable, the best way to tell which type you need to purchase for your specific spa is to check your owner’s manual. This can let you know the dimensions and specifications you need to keep in mind before you go shopping for your new filter.
The Pleatco PWK30 Replacement Cartridge is a great option for anyone looking to replace the filter cartridge in just about any standard spa filter. Made with a pleated filter media surrounding an open ABS plastic core, this filter is designed to allow water to move freely through it without being hampered by any of its working parts. Even the lid and base of this filter are designed to withstand extended use, and they are made to hold up to repeated exposure to chlorine and other frequently used hot tub chemical treatments.
If you have a hot tub filter system that requires a larger filter, the Unicel C-4950 Replacement Filter Cartridge may be the right one for you. This cartridge is designed for use with a variety of different hot tubs and filters to make it easy for you to install it no matter what kind of spa system you have. Choose between a single replacement, a two pack, or even a ten pack to save a lot of money in the long run. This product is designed with a pleated filter media to help catch as much bacteria and debris as possible without ever letting it enter your hot tub.
The Bestway Spa Filter Pump Replacement Cartridge Type VI is designed specifically for use with inflatable spas. However, this filter is more or less interchangeable with most varieties of inflatable spas, so even though you can’t use it in a traditional standalone hot tub, you can still find a use for it no matter what type of inflatable model you might have. You can purchase this filter in a pack of twelve to save a ton of money in the long run, or order as few as two at a time if you prefer to give it a test run first.
The Pleatco PDO75-2000 Replacement Cartridge is an excellent filter solution for those tough to clean hot tubs. This filter is designed with a 50% hollow center which makes it easier for water to flow throughout the filter and all of its pleats. This, in turn, allows for bacteria to catch quickly and easily on the filter media, which means you can enjoy cleaner water right away as soon as you install this filter into your spa. Best of all, the plastic lid and base are designed not to disintegrate with prolonged exposure to pool and spa chemicals.
If you have the type of hot tub that requires a very finely pleated filter cartridge, look no further than the Pleatco PRB35-IN Replacement Cartridge. This filter cartridge is designed to work with many of the big name brands of hot tubs available on the market today, and it can easily be modified to fit into some other types of hot tubs as well. This filter is large enough to remove a good amount of bacteria and debris from the water and fine enough to keep from allowing anything to pass through aside from the crystal clean water itself.
Are you looking for an excellent universal filter cartridge for a wide variety of different hot tubs and pools alike? Try the Filbur FC-0359 Antimicrobial Replacement Filter Cartridge to satisfy all your filtering needs! This is a great filter that can be used throughout the world of pools and spas. It features a reinforced pleated filter media that won’t pop out with extended use, and it’s designed to stand up to being washed and reused time and time again. If you have a standard hot tub, chances are good this filter is just waiting for you.
Are you searching for the perfect durable filter cartridge replacement for your hot tub? If so, choose the Filbur FC-2390 Antimicrobial Replacement Filter Cartridge to take care of your needs. This cartridge is designed to replace filters in the Pentair and Rainbow spa filter systems. Although it cannot be used interchangeably with all filters across the board, it still provides an excellent affordable alternative to purchasing name brand filters every time you need to make a change.
The Filbur FC-2401 Antimicrobial Replacement Cartridge is designed specifically for use with the Freeflow Legend spa, but it is capable of being used with a variety of others with a similar setup as well. This filter is designed with molded media threading to ensure that the pleated polyester never pops loose of the rest of the filter cartridge. It’s made for repeated use, so simply remove it from it from your filter system, clean it, and replace it for up to a year without having to buy a new cartridge.
Do you have the type of hot tub that requires wider pleats in its filter cartridge media? Is your hot tub difficult to find a match for when it comes to replacement filters? If so, give the Happy Hot Tub 3x Tri-X Filters a try. This set of three large, durable hot tub filters is designed for use in the Hot Spring model of hot tubs, but it may be used in a variety of other models as well. These unique filters are made from ceramic rather than from traditional polyester or paper like other types of pleated filters. The ceramic is molded to give the appearance and design of pleats with none of the flimsiness that comes from paper filters. Choose these filters if you want something that is sure to last you for a long time to come.
Choose the Pleatco PFF50P Replacement Cartridge for a durable, finely pleated cartridge that is built to last. This replacement filter cartridge is made to work with the Freeflow Spas Legend model hot tub, but it is interchangeable with quite a few others on the market today. The center of this cartridge is made from durable but hollow ABS plastic that can handle a lot of use and water flow without breaking while still allowing for the water to filter through appropriately. The pleats in this cartridge are antimicrobial, which makes your water cleaner than ever before by the time it reaches the tub portion of your spa.
The Pleatco PWW50P3-M Replacement Cartridge filter is designed for use with Aber brand hot tubs. However, it can be used with many other models as well, provided your filter system has the appropriate dimensions. This cartridge is unique in that it is also designed for use with water skimmers, so you can have even cleaner water when you utilize this cartridge to its fullest potential. The end caps are antimicrobial and keep the rest of the cartridge from becoming too damaged or weakened by frequent exposure to chemicals and hot water in your spa. Best of all, this filter is made to resist the buildup of algae and bacteria that causes damage and bad smells in your hot tub.
The Unicel 5CH-940 Waterway Replacement Cartridge is made to be used with Aber brand spas, but it is interchangeable with a few other brands as well. This durable filter features reinforced fine pleats that are meant to capture as much bacteria, dirt and debris as possible before it ever reaches your hot tub. The filter media is made of polyester, which means it is strong enough to be used a few times before it will need to be replaced. This is a powerful filter that can hold up to soaking in harsh chemicals for a short period of time when you need to do a deep and thorough cleaning.
Use the 2-Pack Clarathon Spa Filter Replacement in conjunction with a traditional pleated cartridge filter for the cleanest hot tub water you can possibly imagine! This microfilter is meant to sit on top of your traditional filter cartridge to give your water a second, more thorough cleaning every time it passes through the filter system. Bear in mind that not all hot tubs are compatible with a microfilter and your instruction manual should let you know if yours is. If so, do yourself a favor and pick up a pack of these microfilters right away. You’ll be surprised at just how clean and comfortable your water can really be when you use them!
These 2 Replacement Filters for Lifesmart are meant to be used with Lifesmart hot tubs, but they are also compatible with Grandmaster, Hydromaster, Simplicity, and a wide variety of other, similar hot tub brands. This is a very traditional size and shape of hot tub filter, so chances are good you will be able to make the most of it in your spa. The filter media is finely pleated, which means it is able to catch even the smallest of sediment, minerals, and other debris that you don’t want to enter your hot tub water. Use this filter and you’ll be pleased with just how long it is sure to last.
There are a lot of options available to you when you buy your filter replacements on Amazon! Keep in mind the following tips and tricks to make your online shopping go much more smoothly:
When you keep these tips in mind, you’ll have no trouble ordering your replacement filters through Amazon and getting the perfect product every time.