HVAC Filtration Guides
Technical articles on EN filter standards, grades, replacement intervals, and application selection for South African industry.
Air Filter Suppliers in South Africa: A Buyer's Guide
How to choose an air filter supplier in South Africa: stock, certification, price. Prebur stocks standard sizes in Pretoria since 1989. Call +27 74 159 1634.
Read article →
Cleanroom Testing South Africa: Particle Counts & HEPA
Cleanroom testing in South Africa: ISO 14644 particle counts, HEPA integrity scans at the 0.01% leak criterion, national coverage. Call +27 74 159 1634.
Read article →
HEPA Filters South Africa: H13 vs H14, Uses, and Local Stock
HEPA filters in South Africa: EN1822 H13 and H14 grades, per-unit test certificates on every HEPA unit, in stock in Pretoria for same-day despatch. Call +27 74 159 1634.
Read article →
Baffle vs Mesh Grease Filters: Sizing, Cleaning, Fire Safety
Baffle filter vs mesh grease filter: sizing, cleaning, fire safety for SA kitchen canopies. Standard sizes despatch from Silverton. Call +27 74 159 1634.
Read article →
AHU Filters: Which Grade Goes in Which Stage (G4 to HEPA)
AHU filter guide for HVAC contractors: G4 panel, F9 pocket and V-bank, H14 HEPA by stage. Standard sizes in stock in Pretoria. Call +27 74 159 1634.
Read article →
ISO 14644 Cleanroom Testing: Classes, Counts and Audits
ISO 14644 cleanroom testing explained: class limits, particle counts, DOP testing and requalification intervals for SA facilities. Call +27 74 159 1634.
Read article →
Why Dust Collector Cartridge Filters Fail Early
Why dust collector cartridge filters fail early: cleaning faults, media mismatch, wrong fit. Diagnose by pressure signature. SA stock. Call +27 74 159 1634.
Read article →
Air Filter Grades Explained: G4, F9, H14 and What EN779 Actually Means
A plain-language guide to HVAC air filter grades (G4, F5, F7, F9, H13, H14) and the EN779 and EN1822 standards that define them. Written for South African HVAC engineers and facilities managers.
Read article →
Baghouse Filter Guide: Cartridge Filters for Dust Collectors
Baghouse cartridge filter guide for SA industry. Pulse-jet systems, replacement intervals, cross-referencing by dimension. Call +27 74 159 1634.
Read article →
EN779 vs ISO 16890: What South African HVAC Engineers Need to Know
EN779 vs ISO 16890: key differences, crosswalk table, and why EN779 remains the standard in South African HVAC practice. Call +27 74 159 1634.
Read article →
HEPA Filter Grades Explained: H13 vs H14 and Which Do You Need?
H13 vs H14 HEPA filter grades explained. EN1822 efficiency thresholds, H14 test certificates, and when each grade is required in SA pharma and healthcare.
Read article →
HVAC Filter Replacement Intervals for South Africa
HVAC filter replacement intervals for SA conditions. G4, F9, and HEPA schedules for Highveld dust loads. Call +27 74 159 1634.
Read article →Browse our filter range · Industries we supply · Get a quote