Astrozap
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Heater strap for 4" scopes
$45.00This 1.75" x 15.5" dew heater strip fits telescopes having an outer barrel diameter of 4" to 5.5" (100mm to 140mm) . . . -
Heater strap for 5" scopes
$46.00This 1.75" x 16.75" dew heater strip fits telescopes having an outer barrel diameter of 4.7" to 5.9" (120mm to 150mm) . . . -
Heater strap for 6" scopes
$51.00This 1.75" x 20.5" dew heater strip fits telescopes having an outer barrel diameter of 5.9" to 6.9" (150mm to 175mm) . . .