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128 deals for undergravel filter 11.5 x 35.5

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On Sale
-48%
Hagen AquaClear AquaClear Power Filter: AquaClear 20 - Formerly 100 - (5-20 Gallon - 100 GPH) on sale

Hagen AquaClear AquaClear Power Filter: AquaClear 20 - Formerly 100 - (5-20 Gallon - 100 GPH)

49.99
$25.99
+ $8.99 shipping
See Deal
-48%
Hagen AquaClear AquaClear Power Filter: AquaClear 30 - Formerly 150 - (10-30 Gallon - 150 GPH) on sale

Hagen AquaClear AquaClear Power Filter: AquaClear 30 - Formerly 150 - (10-30 Gallon - 150 GPH)

62.99
$32.99
+ $8.99 shipping
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-48%
Hagen AquaClear AquaClear Power Filter: AquaClear 50 - Formerly 200 - (20-50 Gallon - 200 GPH) on sale

Hagen AquaClear AquaClear Power Filter: AquaClear 50 - Formerly 200 - (20-50 Gallon - 200 GPH)

72.99
$37.99
+ $8.99 shipping
See Deal
-48%
Hagen AquaClear AquaClear Power Filter: AquaClear 70 - Formerly 300 - (40-70 Gallon - 300 GPH) on sale

Hagen AquaClear AquaClear Power Filter: AquaClear 70 - Formerly 300 - (40-70 Gallon - 300 GPH)

95.99
$49.99
+ $8.99 shipping
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-50%
Hagen AquaClear AquaClear Power Filter: AquaClear 110 - Formerly 500 - (60-110 Gallon - 500 GPH) on sale

Hagen AquaClear AquaClear Power Filter: AquaClear 110 - Formerly 500 - (60-110 Gallon - 500 GPH)

169.99
$84.99
Free Shipping
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-10%
Laguna PowerFlo Replacement Filter Pad (Chemical) on sale

Laguna PowerFlo Replacement Filter Pad (Chemical)

43.50
$39.15
No Shipping Info
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-33%
Fluval Zeo-Carb 3x 150 gram 3pk nylon bags Filter Media by Hagen on sale

Fluval Zeo-Carb 3x 150 gram 3pk nylon bags Filter Media by Hagen

6.99
$4.66
+ $7.99 shipping
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-20%
AquaClear 110 Power Filter Media - Foam single pack on sale

AquaClear 110 Power Filter Media - Foam single pack

6.99
$5.59
+ $5.99 shipping
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-23%
AquaClear 50 Filter Insert Activated Carbon 3 pack on sale

AquaClear 50 Filter Insert Activated Carbon 3 pack

7.66
$5.89
+ $4.95 shipping
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-23%
Living World Blueline Disposable Filter Cartridge 3 pack on sale

Living World Blueline Disposable Filter Cartridge 3 pack

7.74
$5.95
+ $4.95 shipping
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-10%
Laguna Lid Clamp for Pressure Flo 2100/3200 Filter on sale

Laguna Lid Clamp for Pressure Flo 2100/3200 Filter

73.01
$65.71
No Shipping Info
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-36%
Hagen Catit Carbon Replacement Filter for 50700/50701 (Set of 2) 50705 on sale

Hagen Catit Carbon Replacement Filter for 50700/50701 (Set of 2) 50705

24.86
$15.98
+ $4.99 shipping
See Deal
-27%
AquaClear Power Filter - UL Listed Multicolor - A610, For 20 - 50 Gallon Aquariums on sale

AquaClear Power Filter - UL Listed Multicolor - A610, For 20 - 50 Gallon Aquariums

59.99
$43.98
Free Shipping
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-20%
AquaClear 50 Power Filter Media - AmRid 3 pack on sale

AquaClear 50 Power Filter Media - AmRid 3 pack

6.49
$5.19
+ $5.99 shipping
See Deal
-10%
Impeller Assembly for the Laguna Skimmer Filter Pump (2905 gph) on sale

Impeller Assembly for the Laguna Skimmer Filter Pump (2905 gph)

96.18
$86.56
No Shipping Info
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-12%
Laguna Rubber Door for PowerFlo 5000 Skimmer Filter on sale

Laguna Rubber Door for PowerFlo 5000 Skimmer Filter

110.99
$97.67
No Shipping Info
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-20%
AquaClear 20 Power Filter Media - Carbon 3 pack on sale

AquaClear 20 Power Filter Media - Carbon 3 pack

4.99
$3.99
+ $5.99 shipping
See Deal
-42%
Hagen Marina Marina i25 Internal Filter: i25 Internal Filter on sale

Hagen Marina Marina i25 Internal Filter: i25 Internal Filter

13.99
$8.14
+ $6.99 shipping
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-42%
Hagen AquaClear Aquaclear Filter Extension Tube: For 70 (Formerly 300) & 110 (Formerly 500) on sale

Hagen AquaClear Aquaclear Filter Extension Tube: For 70 (Formerly 300) & 110 (Formerly 500)

12.99
$7.50
+ $6.99 shipping
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-44%
Hagen AquaClear Aquaclear Quick Filter Powerhead Attachment on sale

Hagen AquaClear Aquaclear Quick Filter Powerhead Attachment

14.99
$8.38
+ $6.99 shipping
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-20%
AquaClear 50 Power Filter Media - Carbon 3 pack on sale

AquaClear 50 Power Filter Media - Carbon 3 pack

7.39
$5.89
+ $5.99 shipping
See Deal
-47%
Hagen AquaClear AquaClear Power Filter Impeller Assembly: Fits AquaClear 110 / 500 on sale

Hagen AquaClear AquaClear Power Filter Impeller Assembly: Fits AquaClear 110 / 500

42.99
$22.62
+ $6.99 shipping
See Deal
-41%
Hagen AquaClear AquaClear Foam Filter Inserts - Filter: Foam Insert 110 - 1 Pack on sale

Hagen AquaClear AquaClear Foam Filter Inserts - Filter: Foam Insert 110 - 1 Pack

8.99
$5.29
+ $6.99 shipping
See Deal
-61%
AquaClear 50 Power Filter Media - Foam 1 pack on sale

AquaClear 50 Power Filter Media - Foam 1 pack

1.79
$0.69
+ $5.99 shipping
See Deal
-46%
Hagen AquaClear AquaClear Power Filter Impeller Assembly: Fits AquaClear 70 / 300 on sale

Hagen AquaClear AquaClear Power Filter Impeller Assembly: Fits AquaClear 70 / 300

34.99
$18.99
+ $6.99 shipping
See Deal
-44%
Hagen AquaClear AquaClear Activated Carbon Filter Inserts - Filter: 50 / 200 Carbon Insert - 1 Pack on sale

Hagen AquaClear AquaClear Activated Carbon Filter Inserts - Filter: 50 / 200 Carbon Insert - 1 Pack

4.99
$2.79
+ $6.99 shipping
See Deal
-47%
Hagen AquaClear AquaClear Powerhead Quick Filter Replacement Cartridge: 2 Pack on sale

Hagen AquaClear AquaClear Powerhead Quick Filter Replacement Cartridge: 2 Pack

5.99
$3.19
+ $6.99 shipping
See Deal
-47%
AquaClear 30 Power Filter Media - Foam 1 pack on sale

AquaClear 30 Power Filter Media - Foam 1 pack

1.49
$0.79
+ $5.99 shipping
See Deal
-12%
Laguna ClearFlo 1400 Kit - Includes PT1502 Pressure-Flo Filter & PT342 Max-Flo Pump on sale

Laguna ClearFlo 1400 Kit - Includes PT1502 Pressure-Flo Filter & PT342 Max-Flo Pump

439.25
$386.54
No Shipping Info
See Deal
-45%
Hagen AquaClear AquaClear Activated Carbon Filter Inserts - Filter: 30 / 150 Carbon Insert - 1 Pack on sale

Hagen AquaClear AquaClear Activated Carbon Filter Inserts - Filter: 30 / 150 Carbon Insert - 1 Pack

3.99
$2.19
+ $6.99 shipping
See Deal
Showing 1 - 30 of 128

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