--- product_id: 453418936 title: "Standard Filter for Blue Whale spa - Fits Many Models" brand: "castle hot tubs" price: "€ 153.13" currency: EUR in_stock: true reviews_count: 5 category: "Castle Hot Tubs" url: https://www.desertcart.it/products/453418936-standard-filter-for-blue-whale-spa-fits-many-models store_origin: IT region: Italy --- # Optimized filtration for crystal-clear water Fits multiple spa models with precision Durable, easy-to-swap hygienic wrapper Standard Filter for Blue Whale spa - Fits Many Models **Brand:** castle hot tubs **Price:** € 153.13 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your spa game with flawless filtration—because your soak deserves the best! ## Quick Answers - **What is this?** Standard Filter for Blue Whale spa - Fits Many Models by castle hot tubs - **How much does it cost?** € 153.13 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/453418936-standard-filter-for-blue-whale-spa-fits-many-models) ## Best For - castle hot tubs enthusiasts ## Why This Product - Trusted castle hot tubs brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Dimensions:** Exact 4 15/16" outer diameter and 13 5/16" length ensure perfect fit every time - • **Hygienic Wrapper Protection:** Protective seal guarantees freshness and easy returns if needed - • **Universal Fit, Zero Guesswork:** Compatible with 20+ Blue Whale spa models for seamless replacement - • **Crystal-Clear Water, Every Dip:** Advanced filtration technology keeps your spa water pristine and inviting - • **Trusted Quality from Castle Hot Tubs:** Premium materials and craftsmanship for long-lasting performance ## Overview This premium Blue Whale spa filter, crafted by Castle Hot Tubs, fits over 20 popular spa models with precise dimensions (4 15/16" OD, 2 1/8" hole diameter, 13 5/16" length). Designed for superior water clarity and durability, it comes sealed in a hygienic wrapper to ensure freshness and easy returns. Rated 4.6 stars by 356 users, it’s the trusted choice for maintaining a pristine spa experience. ## Description This Filter should fit: Albany Crescent Bay/ Crescent Bay Deluxe/Crescent Bay Deluxe II Crystal Cove Daytona Del Rey X / Del Rey X Premier Hermosa II Longbeach Malibu Laguna Monterey San Diego Newport Oceanside Pacifica Riviera San Dimas San Luis Santa Ana Santa Cruz / Santa Cruz II / Santa Cruz III Solana Surfside Ventura / Ventura II/ Ventura III / Ventura IV Please thoroughly check the dimensions included in the listing of any filters you intend on purchasing, any recommendations we make are purely suggestions and should not be taken as a guarantee. Once you receive your filters, please do not remove the protective hygienic wrapper until you are sure that they are the correct fit for your spa. The hygienic wrapper must be completely intact for us to be able to process a refund for you should the filter not fit. Review: A filtration device of such high quality that I was shocked. Many of my friends in and around the boating world have commented how clear and clean the water now is. Many thanks Blue Whale - Michelle. Review: Great product bought these to replace the ones I already had that were getting a bit grubby. Good replacement fitted well and lovely and clean and new, came as a two pack so can swap them over when need to. Fitted my Blue Whale Spa hot tub perfectly would recommend and thought they were a good price too. ## Features - This filter fits many hot tubs and spas, see list below. - Outside Diameter 4 15/16" (12.5cm) - Hole Diameter 2 1/8" (5.4cm) - Filter Body Length 13 5/16" (33.8cm) - Top Quality Product from Castle Hot Tubs ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07KQC8WRM | | Customer Reviews | 4.6 4.6 out of 5 stars (356) | | Date First Available | 2 April 2021 | | Manufacturer | Darlly | | Manufacturer reference | COMOYA | | Material type | Crystal | | Package Dimensions | 34.1 x 12.5 x 12.5 cm; 670 g | | Part number | COMOYA | ## Images ![Standard Filter for Blue Whale spa - Fits Many Models - Image 1](https://m.media-amazon.com/images/I/71g1BHzZY4L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by P***N on 1 January 2026* A filtration device of such high quality that I was shocked. Many of my friends in and around the boating world have commented how clear and clean the water now is. Many thanks Blue Whale - Michelle. ### ⭐⭐⭐⭐⭐ Review *by T***H on 27 August 2024* Great product bought these to replace the ones I already had that were getting a bit grubby. Good replacement fitted well and lovely and clean and new, came as a two pack so can swap them over when need to. Fitted my Blue Whale Spa hot tub perfectly would recommend and thought they were a good price too. ### ⭐⭐⭐⭐⭐ Review *by A***R on 16 April 2026* very cheap compared to others ## Frequently Bought Together - Standard Filter for Blue Whale spa - Fits Many Hot Tub Models - Clearwater PH Plus Increaser for Swimming Pool and Spa Treatment --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.it/products/453418936-standard-filter-for-blue-whale-spa-fits-many-models](https://www.desertcart.it/products/453418936-standard-filter-for-blue-whale-spa-fits-many-models) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-07-12*