From they FACEBOOK page:
Ts & Cs: Sal's Happy Hour is available in-store only during store operating hours. Operating hours may vary. Display slices only, maximum two slices per person. Available 3pm-4pm, Monday - Friday. Not available with any other deal, discount, or voucher. $2.50 Red Bull add-on is only available during Happy Hour. Promotion Ends Dec 1st, 2024.
Price per slice
Cheese $3.00
Pepporoni $3.50
Nonna $3.50
Mushroom $3.50
Veggie $3.50
Buffalo Chicken $4.00