How often do you have to change the retainer ?

The retainer never needs replacing unless you crack or break it. It is a plastic cap that fits on top of 3M 6000 series cartridges or 5000 series respirators to hold 3M particulate filters 5N11 or 5P71. This allows you to replace your particulate filters without having to replace the entire cartridge.

When this is all combined with the adapter and filters will there be something for the hole? I've seen some pictures where there appears to be plug

The hole is filled by the n95 filter pad that fits tightly within the adapter. The pads can be used for days or even weeks between changes, although care must be taken that the outside surface of the pad is not touched during changes. The hole should only have the outside surface of the pad showing. Make sure that the writing side of the pad is toward the inside.

Son las tapas qué sujetan los filtros de tela que van encima de los cartuchos.

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Description

⚙️ Elevate your safety game with 3M’s sleek, breathable filter retainer!

LIGHTWEIGHT COMFORT - Soft elastomeric facepiece with adjustable straps ensures a secure, fatigue-free fit.
EXTENDED CARTRIDGE LIFE - Dual cartridge system maximizes filter longevity, reducing replacement frequency.
VERSATILE COMPATIBILITY - Works seamlessly with 3M 5N11 N95 particulate filters and 6000 series cartridges.
RELIABLE SAFETY STANDARD - NIOSH approved for trusted protection in demanding industrial environments.
OPTIMIZED BALANCE VISION - Swept-back cartridge design enhances comfort and field of view for all-day wear.

The 3M 501 Filter Retainer pack of 2 features a lightweight elastomeric half-face design with swept-back cartridges that improve balance and user vision. Compatible with 3M 6000 series cartridges and 5N11 N95 particulate filters, it offers extended cartridge life and easy breathing. NIOSH approved, it’s engineered for professional-grade respiratory protection with adjustable head straps for all-day comfort.

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