Le bon filtre commence par la bonne référence
Watkins Hot Spring 78373 spa filter – 50 sq. ft.
- Surface filtrante de 50 pi²
- Diamètre d’environ 6 3/8 po
- Longueur d’environ 14 1/2 po
- Deux ouvertures d’environ 1 15/16 po
Watkins Hot Spring 78373 spa filter – 50 sq. ft. is backordered and will ship as soon as it is back in stock.
Pickup available at Piscine Hippocampe succursale
Usually ready in 24 hours
Watkins Hot Spring 78373 spa filter – 50 sq. ft. is backordered and will ship as soon as it is back in stock.
In the box
What you receive.
Choose with confidence
The product in detail.
The Watkins Hot Spring 78373 filter is a 50 sq. ft. replacement cartridge for compatible installations. Check its length and both openings before ordering.
The right filter starts with the right part number
- 50 sq. ft. filter area
- Approx. 6 3/8 in. diameter
- Approx. 14 1/2 in. length
- Two openings measuring approx. 1 15/16 in.
Dimensions and ends
Diameter: approx. 6 3/8 in. Length: approx. 14 1/2 in. Top and bottom openings: approx. 1 15/16 in.
Compatibility
For Watkins Hot Spring systems that use part number 78373. Compare part numbers PWK35B and FC-3921 with the dimensions and ends of your filter.
Maintenance
Rinse the filter media regularly according to the spa manual. If needed, use a cleaner suitable for cartridges and rinse thoroughly before reinstalling.
To confirm your selection, send us the spa brand, model, year, and a photo showing the part number on your current filter.
In the box
- 1 replacement filter 78373, sold individually.
Helpful details
How can I confirm compatibility?
For Watkins Hot Spring systems that use part number 78373. Compare part numbers PWK35B and FC-3921 with the dimensions and ends of your filter.
What is its filter area?
The stated filter area is 50 sq. ft. Also check the dimensions and ends.
Which dimensions should I check?
Diameter: approx. 6 3/8 in. Length: approx. 14 1/2 in.
What type of ends does it have?
Top and bottom openings: approx. 1 15/16 in.
How many filters are included?
One 78373 filter. If your spa uses multiple filters, order the required quantity.
When should I replace the filter?
Replace a cartridge that is damaged, deformed, or can no longer restore the intended filtration after cleaning. Follow the manufacturer's instructions.
Useful details.
What dimensions are listed?
Length : 14.5”
What is the product size or capacity?
Quelles dimensions vérifier?
Quel est le type d’extrémités?
Combien de filtres sont inclus?
Quand faut-il remplacer le filtre?
The Hippocampe council
The right product.
The right advice.
A question about compatibility, selection, or maintenance? Our team is here to support you before and after your purchase.

