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Once per month, on the day of your choice, enter the month's promo code during
online checkout and receive 5% off all items from the
month’s featured manufacturer. You can find this month's promo code below.
New for 2019: Choose Your Own Day!
That's right! This year we are allowing you to choose any day during the month to apply the online promo code. Choose the day and order that works best for you. Remember though, you can only use the code once during the month.
The "Discount Day" Promo Code
Can only be used once per customer on one order
Must be used during the month of the featured manufacturer
Applies exclusively to the technologies by the featured manufacturer purchasable on airlinehyd.com
Only valid for one online order on airlinehyd.com
Code must be applied at time of online checkout
This Month's Featured Manufacturer:
August 2019 - 5% off all Rittal products
This month's promo code: KEEPCOOL
Since 1961, Rittal has designed and manufactured the world’s most comprehensive offering of affordable, reliable and durable industrial enclosures. Rittal cabinets can be found all over the world in some of the most rugged and demanding environments, helping companies, large and small, power their manufacturing operations.
We hope you enjoy the savings on your Discount Day!