Useful documents, all in one place.
Consult the filtration analyses and certification documents provided by our manufacturers. Find PDFs by product range, complete with their dates and a simple explanation of their content.
Imperial Range — manufacturer documents
The Imperial range was launched under the Monderma brand in 2026. The tests and certificates below predate this commercial launch.
Envirotek filtration analyses
The table details measurements taken before and after filtration, particularly for chlorine, metals, pesticides, and certain pharmaceutical compounds. Results are presented substance by substance.
View analyses (PDF)NSF/ANSI 42 document
Consult the certification document provided by the manufacturer. For covered products and the current status of the certification, the certificate refers to the official NSF directory.
View certificate (PDF)Tests and certification: two distinct pieces of information. A test describes the results of the specific sample tested. A certification covers specific references and features. The published Imperial PDFs are manufacturer documents; individual coverage for Monderma GF and AMB models is not established therein.
Other documents by range
Each document should be consulted for the specific reference and the features it covers.
Imperial — NSF/ANSI 372
Supplementary manufacturer file.
View PDFBlack Filters — NSF/ANSI 42
File relating to Black Filters.
View PDFStainless steel system — NSF/ANSI 42
File relating to the gravity stainless steel system.
View PDFAbout public versions
Imperial documents contain masked manufacturer identification information to preserve the confidentiality of our supply chain. This presentation is noted in the files.
To learn more: understand water treatment standards · private label certification.
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