# Prebur Enterprises: Professional Air Filters
> HVAC air filter supplier. Local stock in Silverton, Pretoria, South Africa. Owner-run since 1989.

Prebur Enterprises supplies the Airtech range of HVAC air filters to South African
industry from local stock in Silverton, Pretoria. Filters are manufactured to EN779
and EN1822 standards in an ISO 9001 facility; every H14 HEPA unit ships with an
individual serial-numbered EN1822 test certificate. Products cover G4 panel filters,
F9 pocket/bag filters, H14 HEPA, V-Bank, cartridge/baghouse filters, grease/baffle
filters, and G3 filter media. Prices are published online with free nationwide
delivery on online orders; custom sizes on a 7-10 day lead time. Owner-run since 1989.

## Products
- [Panel Filters (G4, manufactured to EN779:2012)](https://prebur.co.za/products/panel-filters)
- [Pocket / Bag Filters (F9, manufactured to EN779:2012)](https://prebur.co.za/products/pocket-bag-filters)
- [HEPA Filters (H14, EN1822: 99.995% efficiency at MPPS, test certificate per unit)](https://prebur.co.za/products/hepa-filters)
- [V-Bank Filters (F9, manufactured to EN779:2012)](https://prebur.co.za/products/v-bank-filters)
- [Cartridge / Baghouse Filters](https://prebur.co.za/products/cartridge-filters)
- [Grease / Baffle Filters](https://prebur.co.za/products/grease-filters)
- [Filter Media G3](https://prebur.co.za/products/filter-media)

## Services
- [Air Quality and Cleanroom Testing (to ISO 14644 methodology)](https://prebur.co.za/air-testing)

## Industries Served
- [Pharmaceutical & Healthcare (GMP Grade A/B, SAHPRA)](https://prebur.co.za/industries/pharmaceutical)
- [HVAC Contractors (commercial buildings)](https://prebur.co.za/industries/hvac-contractors)
- [Industrial / Baghouse (foundries, mining, cement)](https://prebur.co.za/industries/industrial)
- [Data Centres (ASHRAE TC 9.9, ISA-71.04)](https://prebur.co.za/industries/data-centres)

## Technical Reference
- [EN779 vs ISO 16890 Explained](https://prebur.co.za/blog/en779-vs-iso-16890)
- [HEPA Filter Grades H13 vs H14 (EN1822)](https://prebur.co.za/blog/hepa-filter-grades)
- [HVAC Filter Replacement Intervals for South Africa](https://prebur.co.za/blog/hvac-filter-replacement-intervals)
- [Air Filter Grades Explained: G4, F9, H14](https://prebur.co.za/blog/air-filter-grades-explained)
- [Baghouse Filter Selection Guide](https://prebur.co.za/blog/baghouse-filter-guide)

## Free Engineering Tools
- [Filter Face Velocity Calculator](https://prebur.co.za/tools/face-velocity-calculator)
- [Filter Replacement Cost Estimator](https://prebur.co.za/tools/replacement-cost-estimator)

## Contact
229 Dykor Street, Silverton, Pretoria, South Africa
Tel: +27 74 159 1634 (Nick Els)
Web: https://prebur.co.za