G-Series Mask
G-Series Mask
G-Series Mask
G-Series Mask

Details

The CastleGrade™ G-Series Masks are reusable respirator masks designed for everyday use. The base of the mask is made from a lightweight silicone that forms to your face, leaving no marks and a tight seal which stops glasses from fogging. The mask is paired with a replaceable 4-ply filter that can be used for up to 32 hours of direct use or 1 week.

Our G9 Mask is our Standard size and recommended for most adults.  Our Small size G8 Mask is recommended for teenagers and women with petite facial features.

Product features and benefits:

  • 4 layers of filtering materials
  • Filters microparticles both in and out
  • Lab tested for 98% efficacy filtering NaCl at 0.3 microns
  • Eco-friendly and reusable design
  • Easily cleaned by wiping with disinfectant
  • Can be fully sterilised in an autoclave, dishwasher or boiling water
  • Strong silicone seal for superior protection
  • Ergonomic design and soft fit
  • Fits with glasses comfortably, no fog
  • Registered with the TGA (ARTG) registration #341649

Each mask comes with a starter pack of 5 filters, each can be used for one week or up to 32 hours of direct use.

Sizing Note: 70% of women prefer the G9 (Medium - Large) size

Disclaimer: In no event shall CastleGrade™ be liable for any direct, indirect, punitive, incidental, special consequential damages, to property or life, whatsoever arising out of or connected with the use or misuse of our products.

G-Series Mask

Reusable Respirator Mask

Each mask comes with 5 Filters
Regular price $59.95 inc. GST
Unit price  per 
Tax included.
Ships from Melbourne within 2 business days

Tested by

For hygiene reasons, we cannot accept returns on this item unless faulty.

Details

The CastleGrade™ G-Series Masks are reusable respirator masks designed for everyday use. The base of the mask is made from a lightweight silicone that forms to your face, leaving no marks and a tight seal which stops glasses from fogging. The mask is paired with a replaceable 4-ply filter that can be used for up to 32 hours of direct use or 1 week.

Our G9 Mask is our Standard size and recommended for most adults.  Our Small size G8 Mask is recommended for teenagers and women with petite facial features.

Product features and benefits:

  • 4 layers of filtering materials
  • Filters microparticles both in and out
  • Lab tested for 98% efficacy filtering NaCl at 0.3 microns
  • Eco-friendly and reusable design
  • Easily cleaned by wiping with disinfectant
  • Can be fully sterilised in an autoclave, dishwasher or boiling water
  • Strong silicone seal for superior protection
  • Ergonomic design and soft fit
  • Fits with glasses comfortably, no fog
  • Registered with the TGA (ARTG) registration #341649

Each mask comes with a starter pack of 5 filters, each can be used for one week or up to 32 hours of direct use.

Sizing Note: 70% of women prefer the G9 (Medium - Large) size

Disclaimer: In no event shall CastleGrade™ be liable for any direct, indirect, punitive, incidental, special consequential damages, to property or life, whatsoever arising out of or connected with the use or misuse of our products.

CastleGrade Filter materials
Replaceable Filters

4 Protective Layers

Each G-Series Mask uses a replaceable 4-ply filter that has been tested to block microparticles at over 95% efficacy. Our filters are custom-fitted to the G-Series Masks and should be replaced after 1 week or 32 hours of direct use. Filter subscriptions available.

Lab Tested Reuse for 32 hours Buy in Bulk
Nelson Labs USA test

Passed NaCl Test

Average across 20 tests

Filtration Efficiency

98% Filtration

Must be 95% or greater for NIOSH

Particle Penetration

< 2% Penetration

Must be less than 5% for NIOSH

Sizing Guide

Castle Grade Australia
Castle Grade Australia

Customers are loving the G-Series!

78%

of customers feel safer in the G-Series than in other masks

56%

of customers feel the mask is more comfortable than a standard N95

93%

of customers said reusability and eco-friendliness was a factor purchasing

Customer Reviews

Based on 107 reviews Write a review
Breathe Easier

Everyday Comfort

Breathe Easier

Everyday Comfort

We focused on creating a light, soft and comfortable mask, fit for everyday use. The silicone mask base naturally forms a self-suction seal that doesn’t fog up your glasses and allows you to breathe easier than traditional masks.

95+ efficacy fog free Easy to Breathe Form-Fitted Eco-Friendly Easy to Clean

Reusing The Mask

Castle Grade Australia

How to Clean

The G-Series Masks are designed to be reusable everyday and can be easily cleaned. The base of the mask can be sterlized just by wiping it down with disinfectant and paper towel. It is durable and dishwasher-safe, and can also be cleaned by dipping in boiling water for 2-3 seconds.

Castle Grade Australia
Submerge in boiling water for 2 sec
Castle Grade Australia
Easily clean with disinfectant
Castle Grade Australia
Dishwasher-safe and durable
  • I received the G-Series. This will be the new standard for the medical industry. It feels like you are wearing a cloud compared to the other masks out there that leave us with daily damage to our skin.

    Dr. Lauren Becker DDS