  These filters would be used if you have two telephones lines in your house. If you have two (2) separate telephone numbers then this would be considered two lines. |
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 | | Excelsus Z-250TJ Z-BLOCKER Filter Regular price: $11.99 Sale price: $9.99 | |  | | Excelsus Z-250P2J Z-BLOCKER Filter Regular price: $11.99 Sale price: $9.99 |
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 | | Excelsus Z-250CW DSL Wall Jack Z-BLOCKER Filter Regular price: $14.99 Sale price: $10.99 | |  | | Excelsus Z-250CWA DSL Wall Jack Z-BLOCKER Filter Regular price: $12.99 Sale price: $10.99 |
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