Technical Products Winter Plug [#14 3.4" OD 3"] (#14) onoffvalves A multi-layer filter bag is

A multi-layer filter bag is useful because it can offer more refined filtration behavior than simpler single-layer options

the whole spa experience usually follows

Supports cleaner and more dependable skimmer reassembly

or no longer performs as intended

Technical Products Winter Plug [#14 3.4" OD 3"] (#14) onoffvalves A multi-layer filter bag isThe Technical Products winter plug is designed for compatible winterization applications where a temporary seal is needed for 3 inch plumbing openings. A winter plug is useful because it helps close the line during seasonal shutdown, supporting cleaner service work and more dependable off season system preparation. This replacement is especially useful when the original plug is worn, damaged, leaking, or missing. Matching the correct #14 size with 3.