IDAS LPS-P1 Light Pollution Suppression filter

[Astrobob1973]

Hi  there,

Any of you Guys come across The :-  IDAS LPS-P1 Light Pollution Suppression filter !  

I have not come across IDAS LPS-P1 Only just been offered One 62mm For £30 quid !!!     I know of the D1 and the P2 but not come Across P1 ? Just thinking has the old guy miss read the writing on the side of the filter.
This is the ad in Astronomy buy and sell

IDAS LPS-P1 62mm light pollution suppression filter
IDAS LPS-P1 62mm light pollution suppression filter can be attached to the front of a lens of the same aperture. In addition a step-ring is included which allows the filter to be attached to a larger 72mm aperture lens.
Price reduced, includes postage £30  

Think I will take a chance with it and buy it. But please if anyone has heard of this IDAS P1 Filter any information would be most grateful received.