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Criez Durable Water Filter Wrench (6.38" Max Inner Diameter) for Big Blue-Style Filter Housings - Anti-Aging Opener Wrench for Whole House Water Filter Systems Using 4.5"x 10" or 4.5"x 20" Cartridges
✅ In stock
F
Grade
Analysis Confidence
88%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 24, 2026 12:25 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️A 15% cut from the official retail price adds further appeal.
- 📉Going back roughly eight months, a more competitive price has not appeared — this stands out as a strong value by recent standards.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
9.75/20
Deal Strength
13/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Longbosi
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓【Important reminder】Before ordering, be sure to measure the filter's circumference according to Image 3, or measure the minimum base diameter of the filter according to Image 4. Otherwise, water filter wrench size incompatibility may occur.
✓【Product Dimensions】The water filter wrench has a maximum inner diameter of 6.38 inches, the inner diameter between the teech is 5.79 inches, and the thickness is 0.77 inches. It’s designed to work perfectly with Big Blue filter housings.
✓【Compatibility】 It’s compatible with most water filter housings that utilize 4.5-inch diameter filter cartridges. Please note that the 4.5-inch measurement refers to the internal cartridge size, not the external housing dimensions.
✓【Durable Construction】Crafted from high-quality PP material, this wrench boasts exceptional anti-aging properties, ensuring it resists wear, breakage, and deformation over time.
✓【Suitability】This wrench is fully compatible with Kintim RV and whole house water filters (ASIN: B093DR83RK, B0DG8FPFVN, B0CF5B4TFQ, B0CFXXNJ3D) as well as Hansing RV water filters (ASIN: B086XGDKB7, B0DG8J38BD).
⚙️ Specifications
Color
Black
Brand
Criez
Material
Polypropylene (PP)
Item Length
13.15 inches
Item Weight
5.76 ounces
Item Package Quantity
1
Head Style
Round
Finish Type
Unpolished
Manufacturer
Criez
UPC
712110658209
Item model number
W20
