The inlet side is the coarser one and the outlet side is the finer one, with the screen imprint and the firm’s logo; for more information, please see the HOBRAFILT product section.

The pressure varies and depends on the filtersheet type; for more information, please see the HOBRAFILT product section.

Yes, they can - see the instructions on the HOBRAFILT section pages.

Either as municipal waste or composted, unless you have filtered hazardous waste. In that case, respect the recommendations for the particular hazardous waste; more detailed information is provided on the material safety data sheet.

Sheets should be washed for approximately 10 - 15 minutes until clear, tasteless water flows out; for more information, please see the HOBRAFILT section.

The sheets can be sterilized either with hot water until water at a temperature of 85 - 90°C flows from the filter outlet side or with steam of 121°C, or chemically; for more information, please see the HOBRAFILT section.

Flush the sheets properly at the beginning of filtration. The sheets should be washed for approximately 10 - 15 minutes until clear, tasteless water flows out; for more information, please see the HOBRAFILT section.

It's impossible to answer in general as it depends on many circumstances; for instance, filtrate turbidity, viscosity, proper sheet type, etc.

Certainly not! Our firm does not use asbestos; it has been banned by the General Health Officer of the Czech Republic for health reasons. No health certificate needs to be submitted in EU member states. We have the corresponding “Certificate of Health Conformity” available and in countries outside the EU our business representatives have certificates conforming to the laws of the particular country.

The sheets with the highest flow-rates are those with the highest numbers in their identification and vice versa; for more information, please see the HOBRAFILT section.

As a standard, the sheets are packaged in packs, cardboard boxes or on pallets; for individual packaging types, see the HOBRAFILT section.

Yes, the sheets are identified completely. Information on inspection measurement results, who manufactured the sheet/charge and when, can be found for every charge.

No.

The sheets can be purchased directly at our plant or from our retailers. Please find your nearest retailer with the help of our  Sales Department or write to hobra@hobra.cz.