What are your company hours?
Where is PK Safety Supply located?
Who am I talking to when I call in?
Can I set up an online account?
General Order FAQ's
Do you offer promotional discounts?
Government and Public Institution Purchases
Where's my order confirmation?
Where's my invoice?
I'm tax exempt, how do I remove tax from my order?
I need a quote.
Shipping & Delivery FAQ's
Confined Space FAQ's
Are you able to do winch repair?
What are OSHA requirements for confined space tripods?
How do I select a gas detection kit for my confined space?
What kind of ventilation is needed for my confined space?
What gas monitor should I get for my confined space?
What kind of gas could be in confined space?
Do I need a pumped monitor for confined space or is diffusion fine?
Do you rent equipment?
Do you have any blowers that are intrinsically safe?
Fall Protection FAQ'S
Is there a maximum weight limit for a harness?
Is there a maximum weight limit for a tripod?
I need a leading edge SRL
I need a price for a ladder system
Flame Resistance (FR) Clothing FAQ's
Gas Detection FAQ's
Will my gas monitor come with a factory calibration certificate?
How many bump tests can I get from a cylinder of calibration gas?
What is a confined space?
What’s the difference between a bump test and a calibration?
What gases are included in 4-gas monitors?
How often do I need to calibrate my monitor?
What gas monitor do I need for my application?
What size respirator do I need?
Do you offer onsite fit testing services?
What filter/cartridge do I need for my respirator mask?
How long do filters last?
I need an N95 mask.
Safety Equipment FAQ's
Do you offer logo services?
Will this earmuff/earplug help with ____?
What kind of mask do I need for mold?
I'm looking for the towelettes with sunscreen on it.
Safety Glove FAQ's
Updated by Stephanie Sousa
There is no set length of time for filters. It depends on the rate of exposure. As a rule, replace your filters when you are no longer able to breathe comfortably. Here is a blog post that should help if you'd like more information.