VACPLUS via Amazon has 12-Count Vacplus Toilet Bowl Cleaner Tablets on sale for $9.98 – 50% off when you clip the coupon = $4.99 and checkout w/ Subscribe & Save. Shipping is free w/ Prime or on $35+.

Note: You must be logged into your account. Coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.

Available:

• 12-Count $4.99
• 20-Count $8.49

Features:

• Each Vacplus toilet tablet lasts for at least 15 days, saving you a lot of time and energy from frequent replacement
• Made of neutral dye-free ingredients
• Causing no damage to any metal or plastic part in the septic tank system