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Spa Chemicals
- Fresh Water
  
  Spa Guard
  
  Spa Marvel
  
  Spa Frog
  
  While Supplies Last
  
  Brilliance for Spas
  
  Baqua Spa
  
  All Spa Chemicals
  
  Helpful Videos
  
  Helpful Articles
  
  The Ultimate Guide to Hot Spring Spas Freshwater Salt System Startup
  
  Learn More »
  
  Hot Tub Water Testing: How to Use Hot Tub Test Strips
  
  Learn More »
Hot Tub Filters
- American Whirlpool
  
  Hot Spring Spas - Highlife
  
  Hot Spring Spas - Limelight
  
  Master Spas
  
  Vita Spas
  
  All Spa Filters
  
  Helpful Videos
  
  Helpful Articles
  
  How to find a replacement hot tub filter
  
  Learn More »
  
  How to Clean Tri-X Filters in a dish washer
  
  Learn More »
Hot Tub Accessories
Berlin Gardens Poly Furniture
Hot Tubs and Swim Spas
- Hot Spring Spas
  
  Spas
  
  Highlife Spas
  
  Limelight Spas
  
  Hot Spot Spas
  
  American Whirlpool
  
  Spas
  
  American Whirlpool
  
  Vita Spa
  
  Swim Spas
  
  American Whirlpool
  
  Master Spas
  
  Spas
  
  Michael Phelps Signature
  
  Twilight
  
  Clarity Spas
  
  Swim Spas
  
  Michael Phelps Signature Swim Spas
  
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Learn How to Find a Filter By Dimensions

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Filter Bottom End Cap

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Showing all 10 results

Master Spas Eco Pur Charge

Rated 5.00 out of 5
$70.00 Add to cart
Master Spas X268080 / PMA40-F2M Down East Spa Filter

Rated 4.80 out of 5
$35.95 Add to cart
Master Spas X268300 / PRB35-IN Filter
$36.00 Add to cart
Master Spas X268521 / PMA20-F2M Filter
$38.22 Add to cart
Master Spas X268543 / PMA40L-F2M Twilight-40 sq ft Filter
$50.99 Add to cart
Master Spas X268546 / PMA-R1 filter
$55.00 Read more
Master Spas X268548 / PMA-R3 filter

Spa Manufactuer: Master Spas
$71.75 Add to cart
Master Spas X268549 – PMA-R4 Filter

Rated 5.00 out of 5
$59.00 Read more
Master Spas X268550 / PMA-R5
$45.00 Read more
Pleatco X268542 / PWW50P3 40 sqft Hot Tub Filter
$50.75 Add to cart

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How to Measure a Hot Tub Filter

Filter Spa Filters by Dimensions

Search for your filter either using inches or metric measurements.

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Millimeters

Search By Inches

Inner Diameter

Filter Inner Diameter USCS

1 7/8 Inches

2 & 1/8 Inches

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Outer Diameter

Filter Outer Diameter

2 & 1/6 Inches

4 & 1/4 Inches

4 & 15/16 Inches

4 & 3/4 Inches

5 & 1/3 Inches

5 & 3/4 Inches

5 & 5/16 Inch

5 Inches

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Filter Length

Filter Length USCS

10 & 1/8 Inches

10 1/2 Inches

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11 & 7/8 Inches

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13 & 15/16

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Bottom End Cap

Filter Bottom End Cap

1 & 1/2 In MPT Threads

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Closed

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Filter Top End Cap

Closed

EcoPur Charge Slot

Handle

Open

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Search By Millimeters

Inner Diameter

Filter inner Diameter Metric

48 mm

54 mm

57.1 Milimeters

Outer Diameter

Filter Outer Diameter metric

108 mm

120.6 mm

125.4 mm

127 Millimeters

135 mm

146 mm

152.4 Millimeters

165.1 Millimeters

180.9 mm

203 mm

52.3 Millimeters

More

Filter Length

Filter Length Metric

152 mm

181 mm

182.5 mm

184.1 Millimeters

194 mm

196.8 Millimeters

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206.4 mm

215.9 mm

235 mm

254 mm

257 mm

266.7 Milimeters

299 mm

302 mm

305 mm

330 mm

354 mm

375 mm

More

Bottom End Cap

Filter Bottom End Cap

1 & 1/2 In MPT Threads

2 In Slip Fitting

Closed

MPT Threads

Open

SAE Threads

More

Filter Top End Cap

Closed

EcoPur Charge Slot

Handle

Open

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Master Spas Filters

Master Spas Eco Pur Charge

Master Spas X268080 / PMA40-F2M Down East Spa Filter

Master Spas X268300 / PRB35-IN Filter

Master Spas X268521 / PMA20-F2M Filter

Master Spas X268543 / PMA40L-F2M Twilight-40 sq ft Filter

Master Spas X268546 / PMA-R1 filter

Master Spas X268548 / PMA-R3 filter

Master Spas X268549 – PMA-R4 Filter

Master Spas X268550 / PMA-R5

Pleatco X268542 / PWW50P3 40 sqft Hot Tub Filter

How to Measure a Hot Tub Filter

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