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  • 72.00 PLN - 3,613.00 PLN

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Rainwater filters

In this category you will find rainwater filters that are compatible with underground and above-ground tanks. The shop offers basket filters with a very simple design and flow filters. The wide range of products includes: underground rainwater filters, rainwater gutter filters, filters before the rainwater tank, filters for the inside of the rainwater tank.

Rainwater filters help to catch impurities that enter the tank with rainfall. In many situations, they are necessary to keep the system working well. They can also be used to retrofit existing tanks. They allow rainwater to be filtered effectively (up to 100% efficiency). Filters are selected to suit the specific catchment area.

Active filters

Basket filter

  • Rainwater filter baskets suitable for house systems
  • Suitable for underground rainwater tanks
  • Ideal for roof areas up to 350m2
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0 Review(s) 
Price
323.00 PLN Regular price 340.00 PLN
262.60 PLN tax excl
Lowest price: 322.53 PLN 0%

Basket filter with inlet

  • Rainwater basket filter
  • Ideal for underground, flat tanks
  • Ideal for roof areas up to 350 m2
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0 Review(s) 
Price
444.60 PLN Regular price 468.00 PLN
361.46 PLN tax excl
Lowest price: 444.22 PLN 0%

Mega hanging filter basket

  • Rainwater filter basket
  • For roof surfaces max. 627 m2
  • Ideal for modernizing existing tanks
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0 Review(s) 
Price
841.70 PLN Regular price 886.00 PLN
684.31 PLN tax excl
Lowest price: 841.23 PLN 0%

Downpipe gutter settler

  • Undergutter settler with siphone and filter
  • Fits for gutter downpipes with a diameter of 75, 90 and 110mm
  • Available in black color
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0 Review(s) 
Price
180.81 PLN
147.00 PLN tax excl

Rain Drop filter

  • Underground filter for rainwater
  • Designed for roof surface max. 500 m2
  • Equipped with a basket filter
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1 Review(s) 
Price
177.00 PLN
143.90 PLN tax excl

Basket cartridge for Maxi Plus filter

  • The filter basket into the filter Maxi Plus
  • Thoroughly cleans rainwater
  • Easy to clean
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0 Review(s) 
Price
311.60 PLN Regular price 328.00 PLN
253.33 PLN tax excl
Lowest price: 311.71 PLN 0%

Maxi underground filter

  • Underground rainwater filter
  • Ideal for rainwater harvesting and infiltration systems
  • Suitable for roof areas of max. 350 m2
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0 Review(s) 
Price
1,183.70 PLN Regular price 1,246.00 PLN
962.36 PLN tax excl
Lowest price: 1,183.23 PLN 0%

Universal external filter 400

  • Universal underground rainwater filter
  • Version for pedestrians traffic or cars traffic
  • Cartridges of 0.35 mm flow diameter
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0 Review(s) 
Price
1,806.62 PLN Regular price 1,881.90 PLN
1,468.80 PLN tax excl
Lowest price: 1,805.76 PLN 0%

Maxi Plus underground filter

  • Underground rainwater filter
  • No difference in height between the inlet and outlet
  • For roof surface max 500 m2
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2 Review(s) 
Price
2,479.50 PLN Regular price 2,610.00 PLN
2,015.85 PLN tax excl
Lowest price: 2,478.55 PLN 0%

Rising pipe with basket filter

  • Set the riser tube integral with the filter
  • Suitable for all underground storage tanks from Rewatec
  • For the catchment area up to 350 m2
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0 Review(s) 
Price
2,627.70 PLN Regular price 2,766.00 PLN
2,136.34 PLN tax excl
Lowest price: 2,627.44 PLN 0%

Riser pipe with flow filter

  • Set the riser tube integral with the filter
  • Suitable for all tanks from Rewatec
  • Recommended for roof areas up to 200 m2
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0 Review(s) 
Price
2,938.35 PLN Regular price 3,093.00 PLN
2,388.90 PLN tax excl
Lowest price: 2,937.89 PLN 0%

Filling sieve with crossbar

  • Cleaning sieve to be placed inside the tank
  • Mesh diameter of screen 0.35 mm
  • Recommended for catchment areas of up to 200 m2
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0 Review(s) 
Price
362.85 PLN
295.00 PLN tax excl

Leaf separator for gutters

  • Filter for mounting on the gutter downpipe
  • Leaf separator for a roof area of up to 70 m²
  • Suitable for gutter drains with a diameter of Ø 80 and 100 mm
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0 Review(s) 
Price
285.95 PLN Regular price 301.00 PLN
232.48 PLN tax excl
Lowest price: 301.00 PLN -5%

Supra filter set

  • Complete system for underground tanks 
  • Filter, calmed inflow, siphon, connection 
  • Suitable for roof areas of up to 350 m2
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0 Review(s) 
Price
2,232.45 PLN
1,815.00 PLN tax excl

Opti underground rainwater filter

  • Underground rainwater filter
  • For roof areas of up to 200 m2
  • Inlet and outlet diameter 110 mm
  • Cover for pedestrian traffic
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0 Review(s) 
Price
760.00 PLN Regular price 800.00 PLN
617.89 PLN tax excl
Lowest price: 499.68 PLN +52%

Extension for OPTI rainwater filter

  • Designed for Opti underground filter
  • Height: 700 mm
  • Can be shortened to 75 mm
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0 Review(s) 
Price
301.15 PLN Regular price 317.00 PLN
244.84 PLN tax excl
Lowest price: 198.34 PLN +52%

Flushing nozzle for the Supra filter

  • Compatible with the Supra filter
  • Brass
  • Nozzle male 3/4″, elbow male/female 3/4″, hose end d20 mm
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0 Review(s) 
Price
405.90 PLN
330.00 PLN tax excl

Maxi and Maxi Plus filter extension

  • Designed for the filter Maxi and Maxi Plus
  • Height 57 cm, Ø 350 mm
  • The possibility of shortening
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0 Review(s) 
Price
640.30 PLN Regular price 674.00 PLN
520.57 PLN tax excl
Lowest price: 639.83 PLN 0%

Maxi Plus filter set with basket cartridge and...

  • Basket insert with diameter 29 cm and height 22 cm
  • Shortenable superstructure with a maximum height of 57 cm
  • Underground filter for max. roof area of 500 m2
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0 Review(s) 
Price
3,431.40 PLN Regular price 3,612.00 PLN
2,789.76 PLN tax excl
The offer of the Aquatechnika shop is an ideal place to buy a rainwater tank. We guarantee delivery all over Poland - Warszawa, Kraków, Wrocław, Poznań, Szczecin, Łódź, Katowice, others and foreign deliveries. In our offer you will find products of renowned global brands and Polish manufacturers at attractive prices. The product range includes rainwater filters: basket, on-gutter, underground, pre-tank and in-tank. Before making a choice, we invite you to check attractive offers and to contact our advisors.  We offer the lowest prices and the possibility to negotiate.