Need an open spa filter? Discover our selection of open filters in stock to maintain the cleanliness and clarity of your spa water. Open filters are essential components that effectively remove impurities, particles, and contaminants from your spa. Thanks to their open design, they provide optimal filtration and efficient water circulation, ensuring a pleasant and hygienic spa experience. Choose our premium open filters for clear spa water and total relaxation.
Opened Filters
Need an open spa filter? Discover our selection of open filters in stock to maintain the cleanliness and clarity of your spa water. Open filters are essential components that effectively remove impurities, particles, and contaminants from your spa. Thanks to their open design, they provide optimal filtration and efficient water circulation, ensuring a pleasant and hygienic spa experience. Choose our premium open filters for clear spa water and total relaxation.
115 products
- Best Seller
CLEONIA
Height (mm): 336
Outer Diameter (mm): 127
Inner Diameter (mm): 54
Top of Filter: Open
Bottom of Filter: Open
Number of Folds: 212
Filtration Type: Classic or BlueWater (enhanced microbial action)
Available in packs
From
27,90 €
In stock
CLEONIA
Height (mm): 335
Outer Diameter (mm): 127
Inner Diameter (mm): 54
Top of Filter: Open
Bottom of Filter: Open
Number of Folds: 106
Filtration Type: Classic or BlueWater (enhanced microbial action)
Available in sets
From
25,50 €
In stock
CLEONIA
Outer diameter: 127mm
Length: 235mm
Top: Opening of 54mm
Bottom: Opening of 54mm
From
25,00 €
In stock
CLEONIA
Outer Diameter: 126mm
Length: 510mm
Top: Opening of 55mm
Bottom: Opening of 55mm
From
49,80 €
In stock
CLEONIA
Outer Diameter: 105 - 142 mm
Length: 470mm
Top: 70mm Opening
Bottom: 68mm Opening
30,00 €
In stock
CLEONIA
Outer Diameter: 200mm
Length: 130mm
Top: Opening of 116mm
Bottom: Opening of 116mm
18,00 €
In stock
CLEONIA
Outer Diameter: 127mm
Length: 264mm
Top: Opening of 54mm
Bottom: Opening of 54mm
49,50 €
In stock
CLEONIA
Outer diameter: 211 mm
Length: 485 mm
Top: 110 mm opening
Bottom: 55 mm male plug
83,00 €
In stock
CLEONIA
Outer Diameter: 158mm
Length: 330mm
Top: 75mm Opening
Bottom: 75mm Opening
42,00 €
In stock
WATKINS / HOTSPRING™
Outer Diameter: 153mm
Length: 267mm
Top: Opening of 49mm
Bottom: Opening of 49mm
192,00 €
In stock
CLEONIA
Outer Diameter: 134mm
Length: 765mm
Top: Opening of 54mm
Bottom: Opening of 54mm
62,40 €
In stock
TOPOLOGY
Outer diameter: 105 mm
Height: 80 mm
Top: 55mm opening
Bottom: 55mm opening
14,00 €
In stock
TOPOLOGY
Compatible with many spas
Outer Diameter: 107mm
Length: 102mm
Top: Opening of 52mm
Bottom: Opening of 52mm
Length: 102mm
Top: Opening of 52mm
Bottom: Opening of 52mm
21,60 €
In stock
CLEONIA
Sundance® Ref.: 6540-488
Outer diameter: 212mm
Length: 483mm
Top: Male plug 38mm interior diameter
Bottom: 55mm opening
From
66,00 €
In stock
TOPOLOGY
Outer Diameter: 135mm
Length: 376mm
Top: Opening of 55mm
Bottom: Opening of 54mm
51,00 €
In stock
CLEONIA
Outer Diameter: 134 mm
Length: 255 mm
Top: Open 55 mm
Bottom: Open 55 mm
30,00 €
In stock
CLEONIA
Outer Diameter: 215mm
Length: 268mm
Top: Opening of 75mm
Bottom: Opening of 75mm
50,00 €
In stock
TOPOLOGY
Outer Diameter: 200mm
Length: 418mm
Top: Handle
Bottom: 92mm Opening
69,00 €
In stock
CLEONIA
Height: 118mm
Outside diameter: 127mm
Top: 54mm opening
Bottom: 54mm opening
Réf. Sundance® : 6000-134
13,20 €
In stock
CLEONIA
Watkins ref. 31489 - 60304 - 0969601 - TRIX73178
Outer Diameter: 150mm
Length: 265mm
Top: Opening of 52mm
Bottom: Opening of 52mm
30,00 €
In stock
TOPOLOGY
Spa filter 41001 - C-4995 - PCAL100 - FC-2940
Outer diameter: 125mm
Length: 595mm
Top: Opening of 54mm
Bottom: Opening of 54mm
64,00 €
In stock
TOPOLOGY
Outer Diameter: 178mm
Length: 273mm
Top: Handle
Bottom: Opening with a diameter of 68mm
45,60 €
In stock
CLEONIA
Length: 180 mm
Outer diameter: 183 mm
Top: Opening of 77 mm
Bottom: Opening of 77 mm
38,40 €
In stock
CLEONIA
Bestway Reference: BW58323
Outer Diameter: 105mm
Length: 80mm
Top: Opening of 51mm
Bottom: Opening of 51mm
12,50 €
In stock
CLEONIA
Outer Diameter: 158mm / 130mm
Length: 247mm
Top: Opening of 16mm
Bottom: Opening of 76 x 104mm
52,90 €
In stock
CLEONIA
Outer Diameter: 125mm
Length: 380mm
Top: Opening of 55mm
Bottom: Opening of 55mm
30,00 €
In stock
CLEONIA
Outer diameter: 133mm
Length: 540mm
Top: Opening of 54mm
Bottom: Opening of 54mm
54,00 €
In stock
CLEONIA
Outer Diameter: 108mm
Length: 100mm
Top: Opening of 52mm
Bottom: Opening of 52mm
Sold individually
12,00 €
In stock
CLEONIA
This is the micro-fiber version of filters C-4326 and C-4950
Outer Diameter: 125mm
Length: 337mm
Top: Opening of 54mm
Bottom: Opening of 54mm
28,00 €
In stock
CLEONIA
Length: 365 mm
Outer diameter: 182 mm
Top: Opening of 78 mm
Bottom: Opening of 78 mm
59,00 €
In stock
CLEONIA
Model C5 Reference Weltico 62615
Outer diameter: 180 mm
Height: 450 mm cm
Top Handle
Bottom opening of 52 mm
48,00 €
In stock
TOPOLOGY
Outer Diameter: 180mm
Length: 500mm
Top: Opening of 76mm
Bottom: Opening of 76mm
45,60 €
Restocking in progress
CLEONIA
Outer Diameter: 120mm
Length: 335mm
Top: 55mm Opening
Bottom: 55mm Opening
47,00 €
In stock
TOPOLOGY
Spa Filter 77515 - C-7375 - T-7375 - PCD75N - FC-3964
Outer Diameter: 178 mm
Height: 372 mm
Bottom: 68 mm opening
79,00 €
In stock
TOPOLOGY
Ref. Sundance®: 6000-134
Outer Diameter: 125mm
Length: 117mm
Top: Opening of 54mm
Bottom: Opening of 54mm
Sold in sets of 2
35,00 €
In stock
CLEONIA
Outer diameter: 200 mm
Length: 330 mm
Length: 330 mm
Top: 59 mm plug-in connection (male)
Bottom: Open (55 mm diameter)
Bottom: Open (55 mm diameter)
70,00 €
In stock
BOOSPA FILTER
Outer diameter: 105 mm
Height: 95 mm
Top: 55mm opening
Bottom: 55mm opening
9,60 €
In stock
DARLLY
Outer diameter: 150mm
Length: 180mm
Top: Opening of 47mm
Bottom: Threaded MPT 2" (60mm outer diameter)
31,20 €
In stock
TOPOLOGY
Outer Diameter: 254mm
Length: 500mm
Top: Opening of 148mm
Bottom: Opening of 154mm
72,00 €
In stock
BOOSPA
Outer Diameter: 184 mm
Length: 87 mm
Top: Opening of 76 mm
Bottom: Opening of 76 mm
35,00 €
In stock
BOOSPA FILTER
Spa Filter BSF1408785
Outer Diameter: 107 mm
Height: 95 mm
Top: 55mm opening
Bottom: 55mm opening
Outer Diameter: 107 mm
Height: 95 mm
Top: 55mm opening
Bottom: 55mm opening
8,40 €
In stock
CLEONIA
Outer Diameter: 143m
Length: 250mm
Top: Closed
Bottom: 54mm Opening
39,60 €
In stock
BOOSPA FILTER
Length: 724 mm
Outer Diameter: 183 mm
Top: Opening of 77 mm
Bottom: Opening of 77 mm
94,00 €
Restocking in progress
CLEONIA
Outer Diameter: 127mm
Length: 300mm
Top: 53mm Opening
Bottom: 53mm Opening
19,20 €
In stock
BOOSPA FILTER
Outer Diameter: 204mm
Length: 183mm
Top: Opening of 97mm
Bottom: Opening of 97mm
49,00 €
In stock
CLEONIA
Outer Diameter: 110mm
Length: 200mm
Top: Opening of 52mm
Bottom: Opening of 52mm
Filtration Area: 5m2
5,40 €
In stock
TOPOLOGY
Outer diameter: 250mm
Length: 357mm
Top: Opening of 149mm
Bottom: Opening of 154mm
72,00 €
In stock
BOOSPA FILTER
Outer Diameter: 230mm
Length: 480mm
Top: Opening of 105mm
Bottom: Opening of 105mm
99,00 €
In stock
Looking for an open end spa filter to replace your current cartridge? Discover our selection of spa filters compatible with many spa and hot tub models. These filter cartridges are characterized by an opening at each end, allowing water to flow freely through the filter media. To identify the correct model, it is essential to check the diameter, length, inner diameter of the opening, and any specific mounting features. A properly sized cartridge helps maintain clean water, efficient filtration, and optimal spa performance.
The choice of an open end spa filter mainly depends on the cartridge dimensions. The outer diameter, overall length, and inner diameter of each opening must match the specifications of the original model. Some references include a handle for easier handling, while others feature openings on both ends. A correctly sized filter improves filtration efficiency and helps protect your spa equipment. In this category, you will find references compatible with many spa and hot tub brands, as well as cartridges from leading manufacturers such as Darlly, Pleatco, Topology, or Cleonia.
FAQ Open End Spa Filters
How to recognize an open end spa filter?
An open end spa filter features an opening at each end of the cartridge. Unlike a closed-end filter or a threaded spa filter, it does not have a sealed end cap or an integrated threaded connection.
How to measure an open end spa filter?
To identify the correct reference, measure the outer diameter, overall length, and inner diameter of the opening. These dimensions make it easy to find a compatible replacement cartridge. If needed, consult our guide on how to take measurements.
What is the difference between an open filter and a closed filter?
An open filter has an opening at each end, while a closed filter has a sealed end cap or a handle. These two designs are generally not interchangeable.
Why check the inner diameter?
The inner diameter of the opening plays a crucial role in filter installation. An incorrect measurement may prevent the cartridge from fitting properly into the filtration system.
Are open end filters compatible with Jacuzzi® spas?
Some references are compatible with various Jacuzzi®, Sundance®, Wellis®, Caldera®, Dimension One®, Passion Spa®, or HotSpring® models. Compatibility always depends on the diameter, length, and opening type. If you do not know your filter reference, our spa filter search engine can help you find a compatible model.
Do Darlly filters replace original references?
Yes, many Darlly references are designed to replace original cartridges while maintaining equivalent filtration performance.
Are there open filters for inflatable spas?
Yes, some inflatable spa models, especially from MSpa®, use open or semi-open cartridges depending on the equipment. It is recommended to check the dimensions and specifications of your filter before ordering a replacement cartridge.
How to maintain a spa filter cartridge?
Regular maintenance helps preserve filtration efficiency and extend cartridge life. To make cleaning easier, various spa filter maintenance accessories can be used to remove dirt, debris, and accumulated particles from the filter media. Frequent cleaning helps maintain optimal filtration and cleaner water.
Can I buy a set of spa filters?
Some references are available in multi-packs, allowing you to keep spare cartridges on hand for routine spa maintenance.
Are the products in stock?
Availability is indicated directly on each product page. When a reference is in stock, it can be prepared for shipment quickly.
How can I track my order?
An email is sent at each stage of your order processing. Once your order has been shipped, a tracking number allows you to monitor the delivery of your package.
Cecile F.
Très bon produit, nous venons de la mettre en place dans notre piscine hors sol. Conforme à mes attentes et vous êtes le seul site qui propose autant de référence ! merci
Michel U.
Bien
Michel U.
Bien
Michel U.
Bien
Jacques L.
Pas pu commander
Eric L.
S'adapte bien
Eric L.
S'adapte bien
Philippe C.
Parfait pour mon spa
Marie-Pierre S.
Tres bien emballé
Andrew B.
Great filter as described