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PETRO PIT® hydrocarbon filtration cartridge for rainwater drainage of retention tanks (Ø inlet : 1.5'' male)

The PETRO PIT® range is composed by a set of rainwater filter cartridges designed to drain rainwater in hydrocarbons or ester retention tank, metallic retention tanks or small concrete pit.

The PETRO PIT® cartridge solidifies instantly when large hydrocarbon or ester leak occurs.

Available in various configurations regarding use and hydrocarbons types, natural or synthetic esters.

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In stock
Size chart
Women's clothing size
Euro 32/34 36 38 40
USA 0/2 4 6 8
Bust(in) 31-32 33 34 36
Bust(cm) 80.5-82.5 84.5 87 92
Waist(in) 24-25 26 27 29
Waist(cm) 62.5-64.5 66.5 69 74
Hips(in) 34-35 36 37 39
Hips(cm) 87.5-89.5 91.5 94 99
How To Measure Your Bust

With your arms relaxed at your sides, measure around the fullest part of your chest.

How To Measure Your Waist

Measure around the narrowest part of your natural waist, generally around the belly button. To ensure a comfortable fit, keep one finger between the measuring tape and your body.

  • General hydrocarbons (petrol, diesel, oil,...)
  • Natural ester (type FR3, MIDEL EN,…)
Length cartridge (mm/inch)
  • 256/10''
  • 410/16''

Volume discounts

Quantity Unit discount You Save
10 5% €238.50
24 8% €915.84
40 12% €2,289.60

Patented filtration system belonging to the technology SPI®, the range PETRO-PIT® is the United Kingdom and European reference rainwater filter for hydrocarbons and esters contaminated waters in small and medium retention dimensions.

Made out of PVC to ensure better resistance through time, the PETRO-PIT® cartridges are specially designed to any type of tank. It ensure filtration of rainwater drainage, while trapping harmful hydrocarbons and esters: they therefore, forbid any ground contamination.

The filtered flow rate is approximately 1.5l/min to 3l/min and should be changed every year. The active media into the filter is a mix of different oleophilic and hydrophobic polymer components which trap definitely hydrocarbons or esters.
During a significant spill of hydrocarbons, naturals or synthetic oils, the components react and form a plug, preventing any fluide from discharging into the environment: the system is self-locking and works without mechanical parts, nor electrical connection.

The PETRO-PIT® cartridges is ideal for exterior retention tanks (flexible, metal or concrete). Use horizontal or slightly inclined in direction of the flow.

A pre-filter PFC44 is highly recommended to avoid filter P-PIT to be clogged by impurities of the water.

Make installation easier by choosing the PETRO-PIT® SET to fit any low point and drain valve. This set includes filter, prefilter, valve, elbow and teflon roll.

The only filter on the market recognized from more than 15 years by the biggest UK and European industry (Network rail, Balfour Beatty, ABB, SIEMENS, SCHNEIDER, etc.) and having passed successfully the test by independent laboratories such as Bureau Veritas or TUV with a hydrocarbons rate in output of the filter below 5 ppm.

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Product Details
Details of the range
            References Total length (mm)  Width Ø (mm)     Weight (kg)     Flowrate when new (L/min) 
 P-PIT410 300 100 1.2 3
 P-PIT416 450 100 1.6 3
 P-PIT416-FR3   450 100 1.6 1,5
 P-PIT420-SYNBLOC 550 100 1.8 1,5

The prefilter can be purchased separately.

Product video


SPI has been an Eastern American manufacturer based in Connecticut for 30 years. Bill Gannon founded SPI in 1991 to develop a technology for solidifying polluting oils. His experience as Vice President of Liquid Waste Technologies from 1985 to 1991 and the Exxon Valdez disaster in 1989 were key elements in the creation of SPI.

In the early years, SPI focused on waste treatment by creating solidifiers for oils (Oil Bond) and for water (WaterBond). Then, in the years that followed, SPI naturally turned to pollution prevention.

SPI markets its patented Petro-Barrier, Petro-Plug and Petro-Pipe products to all customers who need to secure their retention equipment with a passive and inexpensive solution, thus allowing good drainage of rainwater without risk of overflow and therefore pollution.

No oil has ever drained from any SPI filter. SPI filters comply with American EPA SPCC standards, European and French standards on water treatment in light hydrocarbon separators as well as the water law (hydrocarbon content of water at the filter outlet less than 5 ppm , ICPE compliant). For three decades, thousands of installations have been protected by SPI products in North America, Europe and Latin America. Its approval with the largest petrochemical industries, power companies and local authorities gives it an obvious strength to innovate in the filtration and solidification of new pollutants (natural esters FR3-COPPER, synthetic esters MIDEL7131) and find the solution for which you need.

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